123743-4-39

View detailed technical data, stock status, and sourcing information for: 123743-4-39
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-381-5723

Item Name Code

29294

Assigment Date

10/19/1993 (32 years ago)

A circular or moderately noncircular shaped item with an aperture. It is constructed of spring-like metal strips, preformed into a vee shape, laminated with a soft filler. It is designed to seal between two nondeforming surfaces. It may have an inner and/or outer, solid or spiral wound compression ring(s).

right-hand thread direction, 0.425 inches nominal thread length, 2.848 inches minimum and 2.878 inches maximum fastener length, 3a thread class, flat countersunk head style

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: 0.425 inches nominal
Fastener Length: 2.848 inches minimum and 2.878 inches maximum
Head Style: flat countersunk
Head Diameter: 0.449 inches minimum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.250 inches
Grip Length: 2.428 inches minimum and 2.448 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: titanium alloy uns r56400 overall
Material Document And Classification: ams 4928 assn std single material response and ams 4967 assn std single material response 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
03A174-4-39	Close Tolerance Screw
123743-4-39	Close Tolerance Screw
AIC1652-4-39	Close Tolerance Screw
HR240-4-39	Close Tolerance Screw
PBF1417-4-39	Close Tolerance Screw
SC3102-4-39	Close Tolerance Screw
SLB146-4-39	Close Tolerance Screw
T009-4-39	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-381-5723?

The FSCG of the NSN 5305-01-381-5723 is 5305

Does the NSN 5305-01-381-5723 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-01-381-5723 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 5305-01-381-5723 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-381-5723 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 5305-01-381-5723 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Oct 19, 1993