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5305-00-182-7309

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-182-7309
(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
07/08/1970 (56 years ago)

0.516 inches minimum and 0.593 inches maximum thread length, flat countersunk head style, 3a thread class, 1.266 inches minimum and 1.312 inches maximum fastener length, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.516 inches minimum and 0.593 inches maximum

Fastener Length

1.266 inches minimum and 1.312 inches maximum

Head Style

flat countersunk

Head Diameter

0.441 inches minimum and 0.509 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.312 inches

Thread Quantity Per Inch

24

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c minimum and 40.0 rockwell c maximum

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740

Screw Material Document And Classification

mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response

Screw Surface Treatment

cadmium and chromate

Screw Surface Treatment Document And Classification

qq-p-416 ty 2 cl 2 fed spec single treatment response

Thread Series Designator

unjf

Replacement For

Part Number Description
5305-00-877-7269 No Name Available 07/11/1971

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
CVC128-516R20 Machine Screw
CVC241A5-20 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-182-7309?
The FSCG of the NSN 5305-00-182-7309 is 5305
Does the NSN 5305-00-182-7309 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-182-7309 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 5305-00-182-7309 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-182-7309 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 5305-00-182-7309 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Wed, Jul 8, 1970