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5305-00-005-0438

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-00-005-0438
(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
06/19/1972 (54 years ago)

Length: 1.218-1.265", flat countersunk head

Specs & Compatibility

Thread Class

3a

Fastener Length

1.218 inches minimum and 1.265 inches maximum

Head Style

Flat countersunk

Thread Length

0.333 inches minimum and 0.400 inches maximum

Head Diameter

0.573 inches minimum and 0.635 inches maximum

Grip Diameter

0.3108 inches minimum and 0.3117 inches maximum

Internal Drive Style

High-torque

Nominal Thread Diameter

0.312 inches

Grip Length

0.865 inches minimum and 0.885 inches maximum

Thread Quantity Per Inch

24

Minimum Tensile Strength

260000 pounds per square inch

Hardness Rating

51.0 rockwell c minimum overall and 54.0 rockwell c maximum overall

Countersink Angle

99 degrees minimum and 101 degrees maximum

Material

Steel

Material Document and Classification

Sps-m-107,fscm 56878 mfr ref single material response overall

Thread Direction

Right-hand

Surface Treatment

Cadmium

Surface Treatment Document and Classification

Qq-p-416,ty 1, cl 2 fed spec single treatment response overall

Thread Series Designator

Unjf

Specification/standard Data

26512-gb510m manufacturers 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
124380-5-14P Close Tolerance Screw
GB510FH5-14P Close Tolerance Screw
GB510M5A14 Close Tolerance Screw
PBF1476-5-14P Close Tolerance Screw
SFH26-5A14 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-005-0438?
The FSCG of the NSN 5305-00-005-0438 is 5305
Does the NSN 5305-00-005-0438 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-005-0438 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 5305-00-005-0438 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-005-0438 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 5305-00-005-0438 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Mon, Jun 19, 1972