5305-01-437-0057

Find complete technical information, availability, and procurement data for: 5305-01-437-0057
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-437-0057

Item Name Code

18257

Assigment Date

10/03/1996 (29 years ago)

A pinlike item designed to turn within and be held in place by an eyelet, turnlock fastener; ring, retaining; or the surface of the item it fastens. It is provided with either a cam slot, cam lead threads, or a hold for accommodating a pin. Securing is accomplished by mating with a lockspring, turnlock fastener or receptacle, turnlock fastener. It has either provisions to accommodate a knob or extension or has a head which has provisions to facilitate turning.

1.250 inches nominal thread length, right-hand thread direction, 2a thread class, hexagon head style, 1.250 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 1.250 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 inches maximum
Width Between Flats: 0.736 inches minimum and 0.750 inches maximum
Locking Feature: patch or pellet or strip threads
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Material: plastic polyamide (nylon) locking feature
Material: steel overall
Material Document And Classification: sae j429 gr5 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 assn std single treatment response 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
0.5-13UNC-2AX1. 25,QQ-P-416	Hexagon Head Cap Screw
135334	Hexagon Head Cap Screw
H604BG0001 FIND NUMBER 171	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-437-0057?

The FSCG of the NSN 5305-01-437-0057 is 5305

Does the NSN 5305-01-437-0057 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-437-0057 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 5305-01-437-0057 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-437-0057 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 5305-01-437-0057 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Thu, Oct 3, 1996