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5306-01-256-6879

Close Tolerance Bolt

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Official Item Classification

Name
Close Tolerance Bolt
(NSN) National Stock Number
5306-01-256-6879
(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
06/08/1987 (39 years ago)

hexagon head style, right-hand thread direction, 0.251 inches minimum and 0.301 inches maximum thread length, 3a thread class, 2.886 inches minimum and 2.916 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.251 inches minimum and 0.301 inches maximum

Fastener Length

2.886 inches minimum and 2.916 inches maximum

Head Style

hexagon

Head Height

0.108 inches minimum and 0.128 inches maximum

Width Between Flats

0.367 inches minimum and 0.376 inches maximum

Hole Diameter

0.046 inches minimum and 0.056 inches maximum

Grip Diameter

0.1890 inches minimum and 0.1895 inches maximum

Nominal Thread Diameter

0.190 inches

Grip Length

2.615 inches minimum and 2.635 inches maximum

Hole Quantity

3

Hole Type

drilled

Thread Quantity Per Inch

32

Hole Configuration Style

hexagon corners

Surface Finish

16.0 microinches threads

Surface Finish

63.0 microinches bearing surface of head

Surface Finish

63.0 microinches grip

Material

titanium alloy uns r56400 overall

Thread Series Designator

unjf

Specification/Standard Data

80205-nas653 professional/industrial association standard

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

0027851

Related Hardware Products

Part Number Description
NAS653V42H Close Tolerance Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-01-256-6879?
The FSCG of the NSN 5306-01-256-6879 is 5306
Does the NSN 5306-01-256-6879 have a Schedule B code assigned?
Yes, the Schedule B code is 8109900000
Does NSN 5306-01-256-6879 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 5306-01-256-6879 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-01-256-6879 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 5306-01-256-6879 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Mon, Jun 8, 1987