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HT271A5-16 Close Tolerance Screw

5305-01-132-5613

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Official Item Classification

Name
Close Tolerance Screw
Part Number
HT271A5-16
(NSN) National Stock Number
5305-01-132-5613
(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
05/30/1982 (44 years ago)

0.505 inches minimum and 0.572 inches maximum thread length, right-hand thread direction, 1.515 inches minimum and 1.562 inches maximum fastener length, 3a thread class, flat countersunk undercut head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.505 inches minimum and 0.572 inches maximum

Fastener Length

1.515 inches minimum and 1.562 inches maximum

Head Style

flat countersunk undercut

Head Diameter

0.629 inches minimum and 0.634 inches maximum

Head Height

0.088 inches minimum and 0.090 inches maximum

Grip Diameter

0.3115 inches minimum and 0.3120 inches maximum

Internal Drive Style

high-torque

Nominal Thread Diameter

0.312 inches

Grip Length

0.990 inches minimum and 1.010 inches maximum

Thread Quantity Per Inch

24

Countersink Angle

100.0 degrees nominal

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Special Features

furnish with one o ring

Material

titanium alloy overall

Material Document And Classification

nas621 assn std single material response overall

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

0029294

Related Hardware Products

Part Number Description
10115328 Close Tolerance Screw
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HT271A5-16 Close Tolerance Screw
HT8137-5-16AS Close Tolerance Screw
ST3M430V5-16AS Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-132-5613?
The FSCG of the NSN 5305-01-132-5613 is 5305
Does the NSN 5305-01-132-5613 have a Schedule B code assigned?
Yes, the Schedule B code is 8109900000
Does NSN 5305-01-132-5613 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 5305-01-132-5613 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-132-5613 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 5305-01-132-5613 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Sun, May 30, 1982