5305-01-278-1976

Find complete technical information, availability, and procurement data for: 5305-01-278-1976
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-278-1976

Item Name Code

16282

Assigment Date

05/03/1988 (38 years ago)

3a thread class, flat chamfer head style, 0.294 inches minimum and 0.375 inches maximum thread length, 0.344 inches minimum and 0.375 inches maximum fastener 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: 3a
Thread Direction: right-hand
Thread Length: 0.294 inches minimum and 0.375 inches maximum
Fastener Length: 0.344 inches minimum and 0.375 inches maximum
Head Style: flat chamfer
Head Diameter: 0.178 inches minimum and 0.183 inches maximum
Head Height: 0.059 inches minimum and 0.069 inches maximum
Locking Feature: strip or pellet or patch threads
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 160000 pounds per square inch
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: iron alloy 660 fastener
Material Document And Classification: ams 5737 assn std single material response fastener
Surface Treatment: passivate fastener
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response fastener
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas1191 professional/industrial association standard

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
NAS1191E04P6	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-278-1976?

The FSCG of the NSN 5305-01-278-1976 is 5305

Does the NSN 5305-01-278-1976 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-278-1976 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 5305-01-278-1976 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-278-1976 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 5305-01-278-1976 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, May 3, 1988