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5305-00-050-1076

Find complete technical information, availability, and procurement data for: 5305-00-050-1076

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5305-00-050-1076
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-050-1076
Item Name Code
18257
Assigment Date
01/01/1961 (65 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

1.438 inches minimum and 1.500 inches maximum fastener length, 2a thread class, right-hand thread direction, hexagon head style, 1.312 inches minimum thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a
Thread Direction
right-hand
Thread Length
1.312 inches minimum
Fastener Length
1.438 inches minimum and 1.500 inches maximum
Head Style
hexagon
Head Height
0.272 inches minimum and 0.291 inches maximum
Width Between Flats
0.612 inches minimum and 0.625 inches maximum
End Item Identification
mrap buffalo mk2a2
Nominal Thread Diameter
0.438 inches
Thread Quantity Per Inch
14
Minimum Tensile Strength
120000 pounds per square inch
Hardness Rating
25.0 rockwell c minimum and 34.0 rockwell c maximum overall
Surface Finish
63.0 microinches threads
Material
steel overall
Material Document And Classification
sae gr 5 assn std single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator
unc
Nondefinitive Spec/Std Data
2 type and 10p style and 5 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-012-2279 No Name Available 08/01/1978
5305-00-012-2282 No Name Available 09/01/1983
5305-00-021-4463 No Name Available 10/21/1998
5305-00-139-0078 No Name Available 07/19/1972
5306-00-174-9610 No Name Available 10/20/2016
5305-00-637-4600 No Name Available 04/01/1985
5305-00-793-0461 No Name Available 07/02/1974
5305-00-843-0690 No Name Available 02/10/1967
5305-01-193-9250 No Name Available 02/01/1987
5305-01-194-0412 No Name Available 04/01/1989

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
122279 Hexagon Head Cap Screw
23093R1 Hexagon Head Cap Screw
5305000501076 Hexagon Head Cap Screw
5305991389962 Hexagon Head Cap Screw
5305PL1360910 Hexagon Head Cap Screw
800-1073 Hexagon Head Cap Screw
MS90725-89 Hexagon Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-050-1076?
The FSCG of the NSN 5305-00-050-1076 is 5305
Does the NSN 5305-00-050-1076 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-050-1076 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 5305-00-050-1076 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-050-1076 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 5305-00-050-1076 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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