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5305004173578 Machine Screw

5305-00-808-9977

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Official Item Classification

Name
Machine Screw
Part Number
5305004173578
(NSN) National Stock Number
5305-00-808-9977
(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
01/01/1962 (64 years ago)

1.000 inches nominal fastener length, 2a thread class, 0.900 inches minimum and 1.000 inches maximum thread length, right-hand thread direction, fillister head style

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.900 inches minimum and 1.000 inches maximum

Fastener Length

1.000 inches nominal

Head Style

fillister

Head Diameter

0.389 inches minimum and 0.414 inches maximum

Head Height

0.161 inches minimum and 0.170 inches maximum

Hole Diameter

0.062 inches nominal

Internal Drive Style

slot

Nominal Thread Diameter

0.250 inches

Hole Quantity

1

Thread Quantity Per Inch

20

Minimum Tensile Strength

55000 pounds per square inch

Screw Material

steel

Screw Material Document And Classification

qq-s-633 fed spec single material response

Screw Surface Treatment

cadmium and chromate

Screw Surface Treatment Document And Classification

qq-p-416,ty 2,cl 3 fed spec all treatment responses

Head Hole Configuration Style

round

Thread Series Designator

unc

Replacement For

Part Number Description
5305-00-086-9012 No Name Available 05/03/1968
5305-00-168-3096 No Name Available 06/21/1971
5305-00-206-1993 No Name Available 01/01/1993
5305-00-208-3808 No Name Available 01/10/1969
5305-00-417-3578 No Name Available 07/01/1976
5305-00-838-0641 No Name Available 01/01/1962

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
5303008089977 Machine Screw
5305000103726 Machine Screw
5305004173578 Machine Screw
MS35265-83 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-808-9977?
The FSCG of the NSN 5305-00-808-9977 is 5305
Does the NSN 5305-00-808-9977 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-808-9977 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 5305-00-808-9977 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-808-9977 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 5305-00-808-9977 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962