5305-01-391-2121

Find complete technical information, availability, and procurement data for: 5305-01-391-2121
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-391-2121

Item Name Code

29294

Assigment Date

06/08/1994 (32 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

3a thread class, right-hand thread direction, 1.079 inches minimum and 1.109 inches maximum fastener length, flat countersunk head style, 0.469 inches nominal 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: 3a
Thread Direction: right-hand
Thread Length: 0.469 inches nominal
Fastener Length: 1.079 inches minimum and 1.109 inches maximum
Head Style: flat countersunk
Head Diameter: 0.625 inches minimum and 0.635 inches maximum
Grip Diameter: 0.3115 inches minimum and 0.3120 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.3125 inches
Grip Length: 0.615 inches minimum and 0.635 inches maximum
Thread Quantity Per Inch: 24
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: ams4928 assn std single material response or ams4967 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:

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03A174-5-10	Close Tolerance Screw
123743-5-10	Close Tolerance Screw
AIC1652-5-10	Close Tolerance Screw
HR240-5-10	Close Tolerance Screw
PBF1417-5-10	Close Tolerance Screw
SC3102-5-10	Close Tolerance Screw
SLB146-5-10	Close Tolerance Screw
T009-5-10	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-391-2121?

The FSCG of the NSN 5305-01-391-2121 is 5305

Does the NSN 5305-01-391-2121 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-01-391-2121 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 5305-01-391-2121 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-391-2121 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 5305-01-391-2121 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, Jun 8, 1994