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5305-01-237-9931

Externally Relieved Body Screw

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Official Item Classification

Name
Externally Relieved Body Screw
(NSN) National Stock Number
5305-01-237-9931
(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
08/08/1986 (40 years ago)

0.385 inches minimum and 0.395 inches maximum fastener length, right-hand thread direction, 3a thread class, 0.300 inches minimum and 0.310 inches maximum thread length, flat countersunk head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.300 inches minimum and 0.310 inches maximum

Fastener Length

0.385 inches minimum and 0.395 inches maximum

Head Style

flat countersunk

Head Diameter

0.472 inches minimum and 0.478 inches maximum

First Diameter From Head

0.142 inches minimum and 0.146 inches maximum

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

0.065 inches minimum and 0.105 inches maximum

Internal Drive Style

slot

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

32

Countersink Angle

100.0 degrees nominal

Externally Relieved Body Diameter Quantity

1

Special Features

hole in shank 0.100 in. from end to center of hole;hole min. 0.065 in. max. 0.072 in.

Material

steel corrosion resisting overall

Material Document And Classification

ams5737 assn std single material response overall

Thread Series Designator

unjf

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
F

The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).

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
4053554 Externally Relieved Body Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-237-9931?
The FSCG of the NSN 5305-01-237-9931 is 5305
Does the NSN 5305-01-237-9931 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-237-9931 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 5305-01-237-9931 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-237-9931 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 5305-01-237-9931 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Fri, Aug 8, 1986