8HB249

View detailed technical data, stock status, and sourcing information for: 8HB249
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-360-1008

Item Name Code

18257

Assigment Date

06/17/1992 (34 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

22.0 millimeters nominal thread length, 6.0 millimeters nominal head height, right-hand thread direction, hexagon head style, 45.0 millimeters 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 Direction: right-hand
Thread Length: 22.0 millimeters nominal
Fastener Length: 45.0 millimeters nominal
Head Style: hexagon
Head Height: 6.0 millimeters nominal
Width Between Flats: 13.0 millimeters nominal
End Item Identification: mrap - common nsn - used on 4 mrap variants and 13 other weapon systems
Nominal Thread Diameter: 8.0 millimeters
Thread Pitch In Millimeters: 1.3
Material: steel overall
Surface Treatment: phosphate and oil 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
1001902	Hexagon Head Cap Screw
5305013601008	Hexagon Head Cap Screw
8HB249	Hexagon Head Cap Screw
8T-0276	Hexagon Head Cap Screw
8T0276	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-360-1008?

The FSCG of the NSN 5305-01-360-1008 is 5305

Does the NSN 5305-01-360-1008 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-360-1008 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 5305-01-360-1008 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-360-1008 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 5305-01-360-1008 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Wed, Jun 17, 1992