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5305-01-376-5277

Externally Relieved Body Screw

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Official Item Classification

Name
Externally Relieved Body Screw
(NSN) National Stock Number
5305-01-376-5277
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
01852
(FIIG) Federal Item Identification Guide
A003B0
Date
06/05/1993 (33 years ago)

3a thread class, flat chamfer head style, right-hand thread direction, 1.152 inches minimum and 1.187 inches maximum fastener length, 0.375 inches nominal thread length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.375 inches nominal

Fastener Length

1.152 inches minimum and 1.187 inches maximum

Head Style

flat chamfer

Head Diameter

0.365 inches minimum and 0.375 inches maximum

Head Height

0.244 inches minimum and 0.250 inches maximum

First Diameter From Head

0.190 inches minimum and 0.200 inches maximum

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.812 inches nominal

Internal Drive Style

hexagon

Nominal Thread Diameter

0.250 inches

Width Across Flats

0.188 inches minimum and 0.190 inches maximum

Thread Quantity Per Inch

28

Minimum Tensile Strength

80000 pounds per square inch

Hardness Rating

80.0 rockwell b minimum overall

Minimum Yield Strength

30000 pounds per square inch

Externally Relieved Body Diameter Quantity

1

Material

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

Material Document And Classification

fed 66 fed std all material responses overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Thread Series Designator

unf

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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

0001852

Related Hardware Products

Part Number Description
A320C061-103 Externally Relieved Body Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-376-5277?
The FSCG of the NSN 5305-01-376-5277 is 5305
Does the NSN 5305-01-376-5277 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-376-5277 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 5305-01-376-5277 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-376-5277 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 5305-01-376-5277 was assigned to the Federal Catalog?
It was assigned 33 years ago, on Sat, Jun 5, 1993