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5305-00-006-2287

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-00-006-2287
(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
06/23/1972 (54 years ago)

Fastener Length: 1.301 to 1.331, steel material

Specs & Compatibility

Thread Series Designator

Unjf

Surface Treatment Document and Classification

Qq-p-416,ty 2,cl 3 fed spec single treatment response

Thread Class

3a

Thread Direction

Right-hand

Head Style

Flat countersunk

Fastener Length

1.301 inches to 1.331 inches

Thread Length

0.291 inches to 0.341 inches

Shank Unthreaded Hole Diameter

First hole: 0.066 inches to 0.086 inches

Head Diameter

0.449 inches to 0.507 inches

Grip Diameter

0.2485 inches to 0.2495 inches

Nominal Thread Diameter

0.25 inches

Grip Length

0.99 inches to 1.01 inches

Internal Drive Style

Offset cruciform (torque set)

Hardness Rating

36 rockwell c to 40 rockwell c

Thread Quantity Per Inch

28

Minimum Tensile Strength

160000 pounds per square inch

Surface Finish

32 microinches grip

Distance From Head Largest Bearing Surface To Shank Hole Center

First hole" 1.195 inches to 1.205 inches

Countersink Angle

99 degrees to 101 degrees

Surface Treatment

Cadmium and chromate

Material

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

Surface Finish

32 microinches threads

Material Document and Classification

Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response

Specification/standard Data

80205-nas 1154 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
NAS1154-16D Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-006-2287?
The FSCG of the NSN 5305-00-006-2287 is 5305
Does the NSN 5305-00-006-2287 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-006-2287 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 5305-00-006-2287 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-006-2287 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 5305-00-006-2287 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Jun 23, 1972