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5306-01-321-9727

Externally Relieved Body Bolt

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Official Item Classification

Name
Externally Relieved Body Bolt
(NSN) National Stock Number
5306-01-321-9727
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5306 Bolts
(INC) Item Name Code
06675
(FIIG) Federal Item Identification Guide
A003B0
Date
06/27/1990 (36 years ago)

right-hand thread direction, hexagon head style, 0.335 inches nominal thread length, 2a thread class, 1.000 inches nominal fastener length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.335 inches nominal

Fastener Length

1.000 inches nominal

Head Style

hexagon

Head Height

0.150 inches minimum and 0.175 inches maximum

Width Between Flats

0.428 inches minimum and 0.440 inches maximum

Locking Feature

pellet threads

First Diameter From Head

0.175 inches nominal

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.665 inches nominal

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

Externally Relieved Body Diameter Quantity

1

Material

iron alloy 660 fastener

Material

plastic polyamide (nylon) locking feature

Material Document And Classification

ams 5731 assn std single material response or ams 5734 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response fastener

Surface Treatment

passivate fastener

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response fastener

Thread Series Designator

unf

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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

0006675

Related Hardware Products

Part Number Description
5223439-2 Externally Relieved Body Bolt
D792577L Externally Relieved Body Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-01-321-9727?
The FSCG of the NSN 5306-01-321-9727 is 5306
Does the NSN 5306-01-321-9727 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-321-9727 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 5306-01-321-9727 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-01-321-9727 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 5306-01-321-9727 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Wed, Jun 27, 1990