6504278

View detailed technical data, stock status, and sourcing information for: 6504278
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-272-5307

Item Name Code

16282

Assigment Date

02/10/1988 (38 years ago)

1.250 inches nominal fastener length, flat countersunk head style, 2a thread class, 0.999 inches nominal 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 Class: 2a
Thread Direction: right-hand
Thread Length: 0.999 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: flat countersunk
Head Diameter: 0.872 inches minimum and 0.938 inches maximum
Locking Feature: patch or pellet or strip threads
Internal Drive Style: hexagon
End Item Identification: submarine hull structure;submarine auxillary and miscellaneous systems;los angeles class ssn (688);submarine atmosphere control and compressed air/gas;ventilation
Nominal Thread Diameter: 0.500 inches
Width Across Flats: 0.312 inches nominal
Thread Quantity Per Inch: 13
Countersink Angle: 80.0 degrees minimum and 84.0 degrees maximum
Material: nickel alloy 400 overall
Material Document And Classification: qq-n-281,cl a fed spec single material response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 4 type

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
204-5923249 ITEM 17	Socket Head Cap Screw
6501-55 ITEM 17	Socket Head Cap Screw
6504278	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-272-5307?

The FSCG of the NSN 5305-01-272-5307 is 5305

Does the NSN 5305-01-272-5307 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-272-5307 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 5305-01-272-5307 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-272-5307 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 5305-01-272-5307 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Feb 10, 1988