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5305-00-003-9211

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-00-003-9211
(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
05/27/1972 (54 years ago)

0.350 inches minimum and 0.400 inches maximum thread length, 1.797 inches minimum and 1.828 inches maximum fastener length, right-hand thread direction, flat countersunk head style, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.350 inches minimum and 0.400 inches maximum

Fastener Length

1.797 inches minimum and 1.828 inches maximum

Head Style

flat countersunk

Head Diameter

0.578 inches minimum and 0.635 inches maximum

Grip Diameter

0.3110 inches minimum and 0.3120 inches maximum

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.312 inches

Grip Length

1.428 inches minimum and 1.448 inches maximum

Thread Quantity Per Inch

24

Minimum Tensile Strength

160000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Surface Finish

32.0 microinches bearing surface of head

Surface Finish

32.0 microinches top of head

Material

titanium alloy uns r54520 overall

Material Document And Classification

nas 621 assn std single material response overall

Thread Series Designator

unf

Specification/Standard Data

80205-nas1155 professional/industrial association standard

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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
NAS1155V23 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-003-9211?
The FSCG of the NSN 5305-00-003-9211 is 5305
Does the NSN 5305-00-003-9211 have a Schedule B code assigned?
Yes, the Schedule B code is 8109900000
Does NSN 5305-00-003-9211 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 5305-00-003-9211 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-003-9211 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 5305-00-003-9211 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sat, May 27, 1972