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5305-01-288-9340

Externally Relieved Body Screw

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Official Item Classification

Name
Externally Relieved Body Screw
(NSN) National Stock Number
5305-01-288-9340
(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
11/17/1988 (37 years ago)

right-hand thread direction, 2a thread class, 0.250 inches nominal thread length, 0.750 inches nominal fastener length, pan head style

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.250 inches nominal

Fastener Length

0.750 inches nominal

Head Style

pan

Head Diameter

0.357 inches minimum and 0.373 inches maximum

Head Height

0.122 inches minimum and 0.133 inches maximum

First Diameter From Head

0.135 inches minimum and 0.139 inches maximum

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

0.500 inches nominal

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

24

Criticality Code Justification

zzzy

Externally Relieved Body Diameter Quantity

1

Material

steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 322 or steel comp 324 or steel comp 347 or steel comp 302b or steel comp 303cu or steel comp 303ma or steel comp 303 or steel comp 303 plus x or steel comp 303se or steel comp 384 overall

Surface Treatment

passivate overall

Special Test Features

special quality control testing

Surface Treatment Document And Classification

astm a380 assn std single treatment response overall

Test Data Document

"81349-mil-p-23199 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

Thread Series Designator

unc

Departure From Cited Document

as modified by material

Reference Number Differentiating Characteristics

as differentiated by material which must conform to ships parts control center special quality control provisions

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
S

The item is a non-aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel.

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
132571-1 Externally Relieved Body Screw
1H0099LLHQ59031 Externally Relieved Body Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-288-9340?
The FSCG of the NSN 5305-01-288-9340 is 5305
Does the NSN 5305-01-288-9340 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-288-9340 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 5305-01-288-9340 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-288-9340 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 5305-01-288-9340 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Thu, Nov 17, 1988