5305-01-437-5503

Find complete technical information, availability, and procurement data for: 5305-01-437-5503
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-437-5503

Item Name Code

16282

Assigment Date

10/11/1985 (40 years ago)

A nonmetallic, accordian shaped protective covering designed to flex due to relative motion between parts to which its opposite ends are attached. It is primarily used to cover the opening around a movable push-pull rod or part passing through a hole in a bulkhead, partition or the like.

9.74 millimeters minimum and 10.00 millimeters maximum head diameter, flat chamfer head style, 24.60 millimeters minimum and 25.40 millimeters maximum fastener length, 22.60 millimeters minimum and 25.40 millimeters maximum thread length, 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 Direction: right-hand
Thread Length: 22.60 millimeters minimum and 25.40 millimeters maximum
Fastener Length: 24.60 millimeters minimum and 25.40 millimeters maximum
Head Style: flat chamfer
Head Diameter: 9.74 millimeters minimum and 10.00 millimeters maximum
Head Height: 5.85 millimeters minimum and 6.00 millimeters maximum
Internal Drive Style: hexagon
End Item Identification: a4 bradley fighting vehicle; a3 bradley fighting vehicle
Nominal Thread Diameter: 6.0 millimeters
Width Across Flats: 5.020 millimeters minimum and 5.084 millimeters maximum
Minimum Tensile Strength: 1220 megapascals
Hardness Rating: 38.0 rockwell c minimum and 44.0 rockwell c maximum overall
Minimum Yield Strength: 1100 megapascals
Thread Pitch In Millimeters: 1.0
External Thread Tolerance Class: 4g6g
Material: steel property class 12.9 overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633,type 2,class 3 assn std single treatment response overall
Thread Series Designator: m

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
B18.3.1M-M6X1.0X25SHCS,ZNPLATED	Socket Head Cap Screw
B1831BH060025N	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-437-5503?

The FSCG of the NSN 5305-01-437-5503 is 5305

Does the NSN 5305-01-437-5503 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-437-5503 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 5305-01-437-5503 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-437-5503 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 5305-01-437-5503 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, Oct 11, 1985