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5305-01-040-6041

Find complete technical information, availability, and procurement data for: 5305-01-040-6041

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5305-01-040-6041
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-040-6041
Item Name Code
06657
Assigment Date
05/09/1977 (49 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

0.494 inches nominal thread length, 0.754 inches nominal fastener length, right-hand thread direction, 3a thread class, flat countersunk head style

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
0.494 inches nominal
Fastener Length
0.754 inches nominal
Head Style
flat countersunk
Head Diameter
0.500 inches nominal
Internal Drive Style
torque set
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
28
Countersink Angle
100.0 degrees nominal
Askewed Head Angle
50.0 degrees nominal
Screw Material
steel
Screw Material Document And Classification
ams 5735,type a-286 assn std single material response
Screw Surface Treatment
passivate
Screw Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response
Thread Series Designator
unf

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
10178663-3 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-040-6041?
The FSCG of the NSN 5305-01-040-6041 is 5305
Does the NSN 5305-01-040-6041 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-040-6041 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 5305-01-040-6041 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-040-6041 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 5305-01-040-6041 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Mon, May 9, 1977

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 436
Total 436
Availability of this item was last updated on: 04/08/2026 03:04 PM EDT. Stock levels and pricing are subject to change.

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