1. Home /
  2. Catalog /
  3. Screws /
  4. 5305-01-260-3256

5305-01-260-3256

Find complete technical information, availability, and procurement data for: 5305-01-260-3256

DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 5305-01-260-3256 to receive an up to date pricing and availability quote by email.

5305-01-260-3256
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-260-3256
Item Name Code
29294
Assigment Date
07/29/1987 (38 years ago)

A device capable of producing heat from gas, liquid fuel, or an electrical heating element designed for permanent installation in sheet metal ducts of a forced air circulating system. It consists of (1) a finned, steel burner tube, a combustion air blower, a control panel, and a constant level fuel supply system or (2) a device having a heating element which when connected to an electrical source, directly imparts heat. It may be provided with a flanged outer casing to facilitate mounting in planned or existing duct work. Circulation of the heated air is achieved by use of a blower or fan not integral with the heating unit.

0.378 inches minimum and 0.428 inches maximum thread length, 2.013 inches minimum and 2.043 inches maximum fastener length, right-hand thread direction, pan no. 2 head style, 3a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.378 inches minimum and 0.428 inches maximum
Fastener Length
2.013 inches minimum and 2.043 inches maximum
Head Style
pan no. 2
Head Diameter
0.477 inches minimum and 0.492 inches maximum
Head Height
0.140 inches minimum and 0.150 inches maximum
Grip Diameter
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style
torque
Nominal Thread Diameter
0.250 inches
Grip Length
1.615 inches minimum and 1.635 inches maximum
Thread Quantity Per Inch
28
Minimum Tensile Strength
160000 pounds per square inch
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Surface Finish
63.0 microinches bearing surface of head
Material
steel comp 4140 or steel comp e4340 or steel comp 8740 overall
Material Document And Classification
mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416 ty2 cl2 fed spec single treatment response overall
Thread Series Designator
unjf
Specification/Standard Data
80205-nas1578 professional/industrial association standard

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
NAS1578A4H26 Close Tolerance Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-260-3256?
The FSCG of the NSN 5305-01-260-3256 is 5305
Does the NSN 5305-01-260-3256 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-260-3256 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-01-260-3256 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-260-3256 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-01-260-3256 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Wed, Jul 29, 1987

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

You May Also Like

Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.

Pricing

Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:

ITAR Registered

Featured Parts

Explore our most requested parts, carefully selected based on customer demand and sourcing activity. Each listing provides current specifications, availability status, and item condition:

759-887-09
5975-01-687-6272
Flexible Metal Conduit Assembly
759-887-10
5975-01-689-1296
Flexible Metal Conduit Assembly
759-8892-001
5895-00-135-4803
Circuit Board Assy
759-8901-001
5895-00-135-4802
Circuit Board Assy
759-890122-1
1670-01-355-1124
Silver Key
759-8927-001
5895-00-135-4806
Analog Sideboard
759-8937-001
5895-00-135-4804
Switch Module Board
759-924
5975-01-688-2637
Flexible Metal Conduit Assembly
759-925
5975-01-688-2316
Flexible Metal Conduit Assembly
759-926
5975-01-688-2317
Flexible Metal Conduit Assembly
759-927
5975-01-688-2646
Flexible Metal Conduit Assembly
759-928
5975-01-688-3890
Flexible Metal Conduit Assembly
759-929
5975-01-688-1618
Flexible Metal Conduit Assembly
759-929-1
5975-01-688-1621
Flexible Metal Conduit Assembly
759-929-2
5975-01-688-1619
Flexible Metal Conduit Assembly