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5306-00-321-2293

Close Tolerance Bolt

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Official Item Classification

Name
Close Tolerance Bolt
(NSN) National Stock Number
5306-00-321-2293
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5306 Bolts
(INC) Item Name Code
27851
(FIIG) Federal Item Identification Guide
A003B0
Date
11/18/1973 (52 years ago)

right-hand thread direction, 0.371 inches minimum and 0.438 inches maximum thread length, 3a thread class, 1.006 inches minimum and 1.053 inches maximum fastener length, double hexagon head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.371 inches minimum and 0.438 inches maximum

Fastener Length

1.006 inches minimum and 1.053 inches maximum

Head Style

double hexagon

Head Height

0.154 inches minimum and 0.174 inches maximum

Width Between Flats

0.430 inches minimum and 0.439 inches maximum

Grip Diameter

0.2490 inches minimum and 0.2495 inches maximum

Nominal Thread Diameter

0.250 inches

Grip Length

0.615 inches minimum and 0.635 inches maximum

Thread Quantity Per Inch

28

Material

steel corrosion resisting overall

Thread Series Designator

unjf

Replacement For

Part Number Description
5306-01-173-1084 No Name Available 06/01/2006

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0027851

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Frequently Asked Questions

What is the FSCG of the NSN 5306-00-321-2293?
The FSCG of the NSN 5306-00-321-2293 is 5306
Does the NSN 5306-00-321-2293 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-321-2293 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 5306-00-321-2293 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-321-2293 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 5306-00-321-2293 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Sun, Nov 18, 1973