5305-01-097-8221

Find complete technical information, availability, and procurement data for: 5305-01-097-8221
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-097-8221

Item Name Code

29294

Assigment Date

07/19/1980 (46 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

1.016 inches minimum and 1.046 inches maximum fastener length, right-hand thread direction, 3a thread class, flat countersunk undercut head style, 0.444 inches minimum and 0.494 inches maximum 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: 0.444 inches minimum and 0.494 inches maximum
Fastener Length: 1.016 inches minimum and 1.046 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.5018 inches minimum and 0.5066 inches maximum
Head Height: 0.0713 inches minimum and 0.0733 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.552 inches minimum and 0.572 inches maximum
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Part Name Assigned By Controlling Agency: screw,close tolerance-assembly, 100 degree c'sunk sealing head, hi-torque, crew (125 ksi fsu), ivd aluminum coated
Special Features: furnished with oneo ring
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 assn std single material response overall
Surface Treatment: aluminum and chromate overall
Surface Treatment Document And Classification: mil-c-83488 ty 2 cl 3 mil spec single treatment 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
11881C4-9A	Close Tolerance Screw
3M925C4-9A	Close Tolerance Screw
3M925V4-9A	Close Tolerance Screw
CHT4067-4-9A	Close Tolerance Screw
HT4067-4-9A	Close Tolerance Screw
WC4067-4-9A	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-097-8221?

The FSCG of the NSN 5305-01-097-8221 is 5305

Does the NSN 5305-01-097-8221 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-097-8221 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 5305-01-097-8221 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-097-8221 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 5305-01-097-8221 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Sat, Jul 19, 1980