NCS4-4-8

View detailed technical data, stock status, and sourcing information for: NCS4-4-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-00-421-5071

Item Name Code

27783

Assigment Date

12/09/1970 (55 years ago)

0.197 inches minimum and 0.201 inches maximum head diameter, 2a nut thread thread class, right-hand nut thread thread direction, 0.112 inches minimum and 0.122 inches maximum head length, 0.235 inches minimum and 0.265 inches maximum nut thread thread 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 nut thread
Thread Direction: right-hand nut thread
Thread Length: 0.235 inches minimum and 0.265 inches maximum nut thread
Head Diameter: 0.197 inches minimum and 0.201 inches maximum
Head Length: 0.112 inches minimum and 0.122 inches maximum
Locking Feature: any acceptable
Overall Length: 0.367 inches nominal
Distance Across Flats: 0.250 inches nominal
Thread Quantity Per Inch: 40 nut thread
Nominal Thread Size: 0.112 inches nut thread
Material: steel comp 303
Material Document And Classification: astm a582 assn std single material response
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072,e300 mil spec single treatment response overall
Style Designator: self-locking
Thread Series Designator: unc nut thread

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
132544A048	Self-Locking Stud
44S(0.125)-ST-8	Self-Locking Stud
610073P54	Self-Locking Stud
950278-71	Self-Locking Stud
NCS-4-4-8	Self-Locking Stud
NCS4-4-8	Self-Locking Stud

FAQs

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

What is the FSCG of the NSN 5307-00-421-5071?

The FSCG of the NSN 5307-00-421-5071 is 5307

Does NSN 5307-00-421-5071 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 5307-00-421-5071 contain precious materials?

Item does not contain precious metal.

Does NSN 5307-00-421-5071 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 5307-00-421-5071 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 9, 1970