11925C4-8A

View detailed technical data, stock status, and sourcing information for: 11925C4-8A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-027-4661

Item Name Code

29294

Assigment Date

09/18/1976 (49 years ago)

0.442 inches minimum and 0.509 inches maximum thread length, right-hand thread direction, flat countersunk undercut head style, 3a thread class, 0.952 inches minimum and 0.999 inches maximum 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 Class: 3a
Thread Direction: right-hand
Thread Length: 0.442 inches minimum and 0.509 inches maximum
Fastener Length: 0.952 inches minimum and 0.999 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.502 inches minimum and 0.507 inches maximum
Head Height: 0.071 inches minimum and 0.073 inches maximum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.490 inches minimum and 0.510 inches maximum
Thread Quantity Per Inch: 28
Countersink Angle: 100.0 degrees nominal
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Special Features: furnished with one o-ring
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 assn std single material response overall
Surface Treatment: passivate overall
Thread Series Designator: unjf

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
11925C4-8A	Close Tolerance Screw
CHT4020-4-8A	Close Tolerance Screw
HT4020-4-8A	Close Tolerance Screw
ST3M652C4-8A	Close Tolerance Screw
WC4020-4-8A	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-027-4661?

The FSCG of the NSN 5305-01-027-4661 is 5305

Does the NSN 5305-01-027-4661 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-027-4661 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 5305-01-027-4661 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-027-4661 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 5305-01-027-4661 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Sep 18, 1976