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5305PL0783128 Close Tolerance Screw

5305-01-059-1957

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Official Item Classification

Name
Close Tolerance Screw
Part Number
5305PL0783128
(NSN) National Stock Number
5305-01-059-1957
(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
04/08/1978 (48 years ago)

right-hand thread direction, pan head style, 3a thread class, 0.313 inches minimum and 0.363 inches maximum thread length, 1.135 inches minimum and 1.165 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.313 inches minimum and 0.363 inches maximum

Fastener Length

1.135 inches minimum and 1.165 inches maximum

Head Style

pan

Head Diameter

0.357 inches minimum and 0.373 inches maximum

Head Height

0.122 inches minimum and 0.132 inches maximum

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

0.802 inches minimum and 0.822 inches maximum

Thread Quantity Per Inch

32

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c minimum and 40.0 rockwell c maximum overall

Surface Finish

32.0 microinches bearing surface of head

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Material

steel comp 4140 or steel comp e4340 or steel comp 8740 overall

Material Document And Classification

mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416 ty2 cl2 fed spec single treatment response overall

Thread Series Designator

unjf

Specification/Standard Data

80205-nas1173 professional/industrial association standard

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
5305PL0783128 Close Tolerance Screw
NAS1173-13K Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-059-1957?
The FSCG of the NSN 5305-01-059-1957 is 5305
Does the NSN 5305-01-059-1957 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-059-1957 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 5305-01-059-1957 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-059-1957 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 5305-01-059-1957 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Sat, Apr 8, 1978