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5305-01-508-2214

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-508-2214
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
29294
(FIIG) Federal Item Identification Guide
A003B0
Date
05/15/2003 (23 years ago)

3a thread class, 0.689 inches minimum and 0.699 inches maximum thread length, right-hand thread direction, 1.429 inches minimum and 1.459 inches maximum fastener length, flat countersunk head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.689 inches minimum and 0.699 inches maximum

Fastener Length

1.429 inches minimum and 1.459 inches maximum

Head Style

flat countersunk

Head Diameter

0.8746 inches minimum and 0.8864 inches maximum

Spline Major Diameter

0.154 inches minimum and 0.156 inches maximum

Grip Diameter

0.436 inches nominal

Point Diameter

0.694 inches nominal

Point Style

flat

Internal Drive Style

torx

Nominal Thread Diameter

0.437 inches

Grip Length

0.740 inches minimum and 0.760 inches maximum

Thread Quantity Per Inch

20

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Part Name Assigned By Controlling Agency

bolt, 100 degree tension head, gear drive recess

Special Features

125 ksi shear strength

Material

nickel alloy 718 overall

Material Document And Classification

ams 5662 assn std single material response overall

Surface Treatment

passivate overall

Thread Series Designator

unjf

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

0029294

Related Hardware Products

Part Number Description
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WC1169C7-12A Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-508-2214?
The FSCG of the NSN 5305-01-508-2214 is 5305
Does the NSN 5305-01-508-2214 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5305-01-508-2214 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 5305-01-508-2214 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-508-2214 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 5305-01-508-2214 was assigned to the Federal Catalog?
It was assigned 23 years ago, on Thu, May 15, 2003