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NAS1221R3-2L Machine Screw

5305-01-583-4848

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Official Item Classification

Name
Machine Screw
Part Number
NAS1221R3-2L
(NSN) National Stock Number
5305-01-583-4848
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06657
(FIIG) Federal Item Identification Guide
A500D0
Date
03/26/2010 (16 years ago)

flat countersunk head style, right-hand thread direction, 3a thread class, 0.338 inches nominal thread length, 0.449 inches minimum and 0.479 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.338 inches nominal

Fastener Length

0.449 inches minimum and 0.479 inches maximum

Head Style

flat countersunk

Head Diameter

0.344 inches minimum and 0.385 inches maximum

Locking Feature

patch

Internal Drive Style

torque set

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

32

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

steel comp 4140 or steel comp 4340 or steel comp e4340 or steel comp 8740

Screw Material Document And Classification

mil-s-5626 mil spec 1st material response or ams 6415 assn std 2nd material response or mil-s-5000 mil spec 3rd material response or mil-s-6049 mil spec 4th material response

Thread Series Designator

unjf

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

0006657

Related Hardware Products

Part Number Description
NAS1221R3-2L Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-583-4848?
The FSCG of the NSN 5305-01-583-4848 is 5305
Does the NSN 5305-01-583-4848 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-583-4848 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 5305-01-583-4848 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-583-4848 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 5305-01-583-4848 was assigned to the Federal Catalog?
It was assigned 16 years ago, on Fri, Mar 26, 2010