5305-00-127-7979

Find complete technical information, availability, and procurement data for: 5305-00-127-7979
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-127-7979

Item Name Code

16282

Assigment Date

12/13/1968 (57 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.

3a thread class, 0.261 inches minimum thread length, flat countersunk head style, right-hand thread direction, 0.406 inches minimum and 0.437 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: 0.261 inches minimum
Fastener Length: 0.406 inches minimum and 0.437 inches maximum
Head Style: flat countersunk
Head Diameter: 0.249 inches minimum and 0.279 inches maximum
Locking Feature: strip threads
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Material: steel comp 301 or steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 overall
Material Document And Classification: aisi assn std all material responses overall
Surface Treatment: passivate overall
Thread Series Designator: unc

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
2642382	Socket Head Cap Screw
LL57J62S7	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-127-7979?

The FSCG of the NSN 5305-00-127-7979 is 5305

Does the NSN 5305-00-127-7979 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-127-7979 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 5305-00-127-7979 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-127-7979 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 5305-00-127-7979 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Dec 13, 1968