5305-01-264-1639

Find complete technical information, availability, and procurement data for: 5305-01-264-1639
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 5305-01-264-1639 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-264-1639

Item Name Code

29294

Assigment Date

09/26/1987 (38 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

right-hand thread direction, flat countersunk head style, 3a thread class, 1.032 inches minimum and 1.107 inches maximum thread length, 3.672 inches minimum and 3.717 inches maximum fastener length

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: 1.032 inches minimum and 1.107 inches maximum
Fastener Length: 3.672 inches minimum and 3.717 inches maximum
Head Style: flat countersunk
Head Diameter: 0.572 inches minimum and 0.638 inches maximum
Grip Diameter: 0.3085 inches minimum and 0.3115 inches maximum
Internal Drive Style: cross recess type ii
Nominal Thread Diameter: 0.312 inches
Grip Length: 2.610 inches minimum and 2.640 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel comp 4037 or steel comp 8630 overall
Material Document And Classification: ams 6300 assn std 1st material response or mil-s-6050 mil spec 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas517 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
NAS517-5-42	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-264-1639?

The FSCG of the NSN 5305-01-264-1639 is 5305

Does the NSN 5305-01-264-1639 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-264-1639 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 5305-01-264-1639 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-264-1639 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 5305-01-264-1639 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Sep 26, 1987