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5305-01-108-3756

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-108-3756
(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
02/26/1981 (45 years ago)

0.573 inches minimum and 0.603 inches maximum fastener length, pan head style, 3a thread class, 0.313 inches minimum and 0.363 inches maximum thread length, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.313 inches minimum and 0.363 inches maximum

Fastener Length

0.573 inches minimum and 0.603 inches maximum

Head Style

pan

Head Diameter

0.353 inches minimum and 0.373 inches maximum

Head Height

0.122 inches minimum and 0.132 inches maximum

Locking Feature

pellet or strip threads

Grip Diameter

0.1885 inches minimum and 0.1895 inches maximum

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.190 inches

Grip Length

0.240 inches minimum and 0.260 inches maximum

Thread Quantity Per Inch

32

Minimum Tensile Strength

160000 pounds per square inch

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches head

Surface Finish

32.0 microinches threads

Material

iron alloy 660 fastener

Material

plastic locking feature

Material Document And Classification

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

unjf

Specification/Standard Data

80205-nas1173 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.

Source of Supply Code

S9I

Pseudo Item Name Code

0029294

Related Hardware Products

Part Number Description
NAS1173E4K Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-108-3756?
The FSCG of the NSN 5305-01-108-3756 is 5305
Does the NSN 5305-01-108-3756 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-108-3756 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 5305-01-108-3756 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-108-3756 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 5305-01-108-3756 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Thu, Feb 26, 1981