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514631PC6 Setscrew

5305-00-272-4178

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Cap Plain Nut
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Valve Disk
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Packing Nut
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Packing Nut
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Nut Blank

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Official Item Classification

Name
Setscrew
Part Number
514631PC6
(NSN) National Stock Number
5305-00-272-4178
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06672
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1963 (63 years ago)

0.500 inches nominal fastener length, 0.500 inches maximum thread length, right-hand thread direction, 2a thread class, flat chamfer head style

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.500 inches maximum

Fastener Length

0.500 inches nominal

Head Style

flat chamfer

Head Diameter

0.365 inches minimum and 0.385 inches maximum

Head Height

0.240 inches minimum and 0.260 inches maximum

Point Style

flat

Internal Drive Style

slot

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

20

Material

steel overall

Material Document And Classification

mil-s-890 cl b-s mil spec single material response overall

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.

Pseudo Item Name Code

0006672

Related Hardware Products

Part Number Description
514631PC6 Setscrew

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-272-4178?
The FSCG of the NSN 5305-00-272-4178 is 5305
Does the NSN 5305-00-272-4178 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-272-4178 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 5305-00-272-4178 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-272-4178 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 5305-00-272-4178 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963