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NAS1204-23D Close Tolerance Screw

5305-01-357-3932

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Official Item Classification

Name
Close Tolerance Screw
Part Number
NAS1204-23D
(NSN) National Stock Number
5305-01-357-3932
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
29294
(FIIG) Federal Item Identification Guide
A003B0
Date
04/22/1992 (34 years ago)

flat countersunk head style, 1.739 inches minimum and 1.769 inches maximum fastener length, right-hand thread direction, 0.316 inches nominal thread length, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.316 inches nominal

Fastener Length

1.739 inches minimum and 1.769 inches maximum

Head Style

flat countersunk

Head Diameter

0.449 inches minimum and 0.507 inches maximum

Grip Diameter

0.2485 inches minimum and 0.2495 inches maximum

Shank Unthreaded Hole Diameter

0.076 inches minimum and 0.086 inches maximum first hole

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.250 inches

Grip Length

1.428 inches minimum and 1.448 inches maximum

Thread Quantity Per Inch

28

Minimum Tensile Strength

160000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Distance From Head Largest Bearing Surface To Shank Hole Center

1.638 inches nominal first hole

Material

steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416 ty2 cl2 fed spec single treatment response overall

Thread Series Designator

unjf

Specification/Standard Data

80205-nas1204 professional/industrial association standard

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

0029294

Related Hardware Products

Part Number Description
NAS1204-23D Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-357-3932?
The FSCG of the NSN 5305-01-357-3932 is 5305
Does the NSN 5305-01-357-3932 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-357-3932 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 5305-01-357-3932 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-357-3932 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 5305-01-357-3932 was assigned to the Federal Catalog?
It was assigned 34 years ago, on Wed, Apr 22, 1992