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5305-01-652-8608

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-652-8608
(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
03/07/2016 (10 years ago)

3a thread class, right-hand thread direction, flat countersunk head style, 0.972 inches minimum and 1.002 inches maximum fastener length, 0.425 inches nominal thread length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.425 inches nominal

Fastener Length

0.972 inches minimum and 1.002 inches maximum

Head Style

flat countersunk

Grip Diameter

0.248 inches minimum and 0.249 inches maximum

Internal Drive Style

high-torque

End Item Identification

various c5

Nominal Thread Diameter

0.250 inches

Grip Length

0.552 inches minimum and 0.572 inches maximum

Thread Quantity Per Inch

28

Countersink Angle

100.0 degrees nominal

Part Name Assigned By Controlling Agency

bolt flat reduced head

Special Features

drilled shank

Material

steel comp 4140 or steel comp 4340 or steel comp 8740 overall

Surface Treatment

cadmium 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
NAS1994-9DT Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-652-8608?
The FSCG of the NSN 5305-01-652-8608 is 5305
Does the NSN 5305-01-652-8608 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-652-8608 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 5305-01-652-8608 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-652-8608 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 5305-01-652-8608 was assigned to the Federal Catalog?
It was assigned 10 years ago, on Mon, Mar 7, 2016