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5305-00-296-5606

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-00-296-5606
(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
09/28/1973 (53 years ago)

3a thread class, 0.229 inches minimum and 0.276 inches maximum thread length, 0.415 inches minimum and 0.482 inches maximum fastener length, right-hand thread direction, flat countersunk head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.229 inches minimum and 0.276 inches maximum

Fastener Length

0.415 inches minimum and 0.482 inches maximum

Head Style

flat countersunk

Head Diameter

0.398 inches maximum

Grip Diameter

0.2485 inches minimum and 0.2495 inches maximum

Internal Drive Style

high-torque

Nominal Thread Diameter

0.250 inches

Grip Length

0.115 inches minimum and 0.135 inches maximum

Thread Quantity Per Inch

28

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Surface Finish

125.0 microinches top of head

Surface Finish

32.0 microinches bearing surface of head

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Material

steel comp 431 overall

Material Document And Classification

ams 5628 assn std single material response overall

Thread Series Designator

unjf

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

0029294

Related Hardware Products

Part Number Description
HT4V2 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-296-5606?
The FSCG of the NSN 5305-00-296-5606 is 5305
Does the NSN 5305-00-296-5606 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-296-5606 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 5305-00-296-5606 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-296-5606 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 5305-00-296-5606 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Fri, Sep 28, 1973