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691C679P16 Machine Screw

5305-00-985-4641

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Official Item Classification

Name
Machine Screw
Part Number
691C679P16
(NSN) National Stock Number
5305-00-985-4641
(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)

flat countersunk head style, right-hand thread direction, 0.312 inches nominal fastener length, 0.312 inches nominal thread length, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.312 inches nominal

Fastener Length

0.312 inches nominal

Head Style

flat countersunk

Head Diameter

0.200 inches minimum and 0.225 inches maximum

Internal Drive Style

slot

Nominal Thread Diameter

0.112 inches

Thread Quantity Per Inch

40

Countersink Angle

0.99 degrees minimum and 0.101 degrees maximum

Screw Material

steel comp 1010

Screw Material Document And Classification

qq-s-633 fed spec single material response

Screw Surface Treatment

cadmium and chromate or zinc and chromate

Thread Series Designator

unc

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0006657

Related Hardware Products

Part Number Description
691C679P16 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-985-4641?
The FSCG of the NSN 5305-00-985-4641 is 5305
Does the NSN 5305-00-985-4641 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-985-4641 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 5305-00-985-4641 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-985-4641 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 5305-00-985-4641 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962