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5305-01-349-9580

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-349-9580
(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
12/07/1991 (34 years ago)

0.743 inches minimum and 0.793 inches maximum thread length, 3a thread class, right-hand thread direction, flat countersunk head style, 2.565 inches minimum and 2.595 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.743 inches minimum and 0.793 inches maximum

Fastener Length

2.565 inches minimum and 2.595 inches maximum

Head Style

flat countersunk

Head Diameter

0.690 inches minimum and 0.761 inches maximum

Grip Diameter

0.4990 inches minimum and 0.4995 inches maximum

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.500 inches

Grip Length

1.802 inches minimum and 1.822 inches maximum

Thread Quantity Per Inch

20

Minimum Tensile Strength

160000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Material

titanium alloy uns r56400 overall

Thread Series Designator

unjf

Specification/Standard Data

80205-nas1581 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
NAS1581K8T29 Close Tolerance Screw
NAS1581V8T29 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-349-9580?
The FSCG of the NSN 5305-01-349-9580 is 5305
Does the NSN 5305-01-349-9580 have a Schedule B code assigned?
Yes, the Schedule B code is 8109900000
Does NSN 5305-01-349-9580 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 5305-01-349-9580 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-349-9580 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 5305-01-349-9580 was assigned to the Federal Catalog?
It was assigned 34 years ago, on Sat, Dec 7, 1991