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NAS1635-4-6 Machine Screw

5305-00-059-3673

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Official Item Classification

Name
Machine Screw
Part Number
NAS1635-4-6
(NSN) National Stock Number
5305-00-059-3673
(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
01/01/1961 (65 years ago)

0.375 inches nominal fastener length, 0.294 inches minimum and 0.375 inches maximum thread length, 2a thread class, right-hand thread direction, pan head style

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.294 inches minimum and 0.375 inches maximum

Fastener Length

0.375 inches nominal

Head Style

pan

Head Diameter

0.473 inches minimum and 0.492 inches maximum

Head Height

0.162 inches minimum and 0.175 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

Minimum Tensile Strength

80000 pounds per square inch

Screw Material

steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316

Screw Material Document And Classification

66 fed std all material responses

Screw Surface Treatment

passivate

Screw Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response

Thread Series Designator

unf

Replacement For

Part Number Description
5305-00-080-1562 No Name Available 09/01/1982
5305-00-551-0038 No Name Available 05/17/2001
5305-00-637-7901 No Name Available 01/01/1983

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

0006657

Related Hardware Products

Part Number Description
112-1051-020 Machine Screw
530500593673 Machine Screw
MS51958-77 Machine Screw
NAS1635-4-6 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-059-3673?
The FSCG of the NSN 5305-00-059-3673 is 5305
Does the NSN 5305-00-059-3673 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-059-3673 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 5305-00-059-3673 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-059-3673 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 5305-00-059-3673 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961