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5305-01-693-4301

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-693-4301
(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
02/11/2021 (5 years ago)

3a thread class, right-hand thread direction, 0.386 inches minimum and 0.416 inches maximum fastener length, 0.251 inches minimum and 0.301 inches maximum thread length, modified pan head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.251 inches minimum and 0.301 inches maximum

Fastener Length

0.386 inches minimum and 0.416 inches maximum

Head Style

modified pan

Head Diameter

0.309 inches minimum and 0.331 inches maximum

Head Height

0.088 inches minimum and 0.102 inches maximum

Grip Diameter

0.1625 inches minimum and 0.1635 inches maximum

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.164 inches

Grip Length

0.115 inches minimum and 0.135 inches maximum

Thread Quantity Per Inch

32

Minimum Tensile Strength

1600000 pounds per square inch

Surface Finish

32.0 microinches bearing surface of head

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Part Name Assigned By Controlling Agency

screw, machine, pan head

Material

iron alloy 660 overall

Surface Treatment

cadmium overall

Thread Series Designator

unjc

Specification/Standard Data

80205-nas1142 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

0029294

Related Hardware Products

Part Number Description
NAS1142E2P Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-693-4301?
The FSCG of the NSN 5305-01-693-4301 is 5305
Does the NSN 5305-01-693-4301 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-693-4301 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 5305-01-693-4301 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-693-4301 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 5305-01-693-4301 was assigned to the Federal Catalog?
It was assigned 5 years ago, on Thu, Feb 11, 2021