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229-002771 Externally Relieved Body Screw

5305-01-044-6521

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Official Item Classification

Name
Externally Relieved Body Screw
Part Number
229-002771
(NSN) National Stock Number
5305-01-044-6521
(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
07/18/1977 (49 years ago)

right-hand thread direction, 2a thread class, flat countersunk head style, 0.370 inches nominal fastener length, 0.140 inches nominal thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.140 inches nominal

Fastener Length

0.370 inches nominal

Head Style

flat countersunk

Head Diameter

0.191 inches minimum and 0.225 inches maximum

First Diameter From Head

0.075 inches nominal

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

0.230 inches nominal

Internal Drive Style

cross recess type ii

Nominal Thread Diameter

0.112 inches

Thread Quantity Per Inch

40

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

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

66 fed std all material responses overall

Surface Treatment

oxide overall

Surface Treatment Document And Classification

mil-c-13924 class 4 mil spec single treatment 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

0001852

Related Hardware Products

Part Number Description
229-002771 Externally Relieved Body Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-044-6521?
The FSCG of the NSN 5305-01-044-6521 is 5305
Does the NSN 5305-01-044-6521 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-044-6521 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 5305-01-044-6521 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-044-6521 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 5305-01-044-6521 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Mon, Jul 18, 1977