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5305-01-431-7986

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-01-431-7986
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06657
(FIIG) Federal Item Identification Guide
A500D0
Date
05/18/1996 (30 years ago)

right-hand thread direction, 0.847 inches maximum thread length, flat countersunk head style, 2a thread class, 1.000 inches nominal fastener length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.847 inches maximum

Fastener Length

1.000 inches nominal

Head Style

flat countersunk

Head Diameter

0.477 inches minimum and 0.507 inches maximum

Locking Feature

patch or strip

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

20

Countersink Angle

80.0 degrees minimum and 82.0 degrees maximum

Screw Material

steel

Screw Surface Treatment

cadmium and chromate

Screw Surface Treatment Document And Classification

qq-p-416, ty ii, cl 3 fed spec all treatment responses

Thread Series Designator

unc

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

0006657

Related Hardware Products

Part Number Description
MS35190-291L Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-431-7986?
The FSCG of the NSN 5305-01-431-7986 is 5305
Does the NSN 5305-01-431-7986 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-431-7986 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 5305-01-431-7986 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-431-7986 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 5305-01-431-7986 was assigned to the Federal Catalog?
It was assigned 30 years ago, on Sat, May 18, 1996