5305-01-009-3971

Find complete technical information, availability, and procurement data for: 5305-01-009-3971
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-009-3971

Item Name Code

16282

Assigment Date

09/11/1975 (50 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.490 inches minimum and 0.510 inches maximum thread length, 0.490 inches minimum and 0.510 inches maximum fastener length, 3a thread class, double hexagon extended washer head style, right-hand thread direction

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: 0.490 inches minimum and 0.510 inches maximum
Fastener Length: 0.490 inches minimum and 0.510 inches maximum
Head Style: double hexagon extended washer
Head Height: 0.211 inches minimum and 0.231 inches maximum
Width Between Flats: 0.218 inches nominal
Extended Washer Diameter: 0.302 inches minimum and 0.322 inches maximum
Extended Washer Thickness: 0.030 inches minimum and 0.040 inches maximum
Hole Diameter: 0.047 inches nominal
Internal Drive Style: double hexagon
Nominal Thread Diameter: 0.164 inches
Width Across Flats: 0.218 inches nominal
Hole Quantity: 4
Hole Type: drilled
Thread Quantity Per Inch: 36
Hole Configuration Style: round longitudinal hole
Surface Finish: 32.0 microinches threads
Material: nickel alloy overall
Material Document And Classification: c50tf13 class b alloy fscm 99207 mfr ref single material response overall
Thread Series Designator: unjf

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
J642P05B	Socket Head Cap Screw
J64P05B	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-009-3971?

The FSCG of the NSN 5305-01-009-3971 is 5305

Does the NSN 5305-01-009-3971 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-009-3971 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 5305-01-009-3971 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-009-3971 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 5305-01-009-3971 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Sep 11, 1975