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5305000712512

View detailed technical data, stock status, and sourcing information for: 5305000712512

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5305000712512
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-071-2512
Item Name Code
18257
Assigment Date
01/01/1963 (63 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.

0.750 inches minimum and 0.938 inches maximum thread length, 2a thread class, hexagon head style, right-hand thread direction, 2.156 inches minimum and 2.250 inches maximum fastener 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
0.750 inches minimum and 0.938 inches maximum
Fastener Length
2.156 inches minimum and 2.250 inches maximum
Head Style
hexagon
Head Height
0.150 inches minimum and 0.163 inches maximum
Width Between Flats
0.428 inches minimum and 0.438 inches maximum
End Item Identification
multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
20
Minimum Tensile Strength
150000 pounds per square inch
Surface Finish
63.0 microinches threads
Material
steel overall
Material Document And Classification
saej429 grade 8 assn std single material response or astma354 grade bd assn std single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty2cl3 fed spec single treatment response overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-017-7963 No Name Available 12/03/1996
5305-00-018-9291 No Name Available 07/01/2012
5305-01-172-5532 No Name Available 06/01/1996
5305-01-470-6335 No Name Available 10/01/2001

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
189291 Hexagon Head Cap Screw
1C736 Hexagon Head Cap Screw
2-150-075-255 Hexagon Head Cap Screw
454842 Hexagon Head Cap Screw
5305000712512 Hexagon Head Cap Screw
5305PL0799703 Hexagon Head Cap Screw
AES01C250B25AW9A91 Hexagon Head Cap Screw
B1821BA025C225N Hexagon Head Cap Screw
B1821BH025C225N Hexagon Head Cap Screw
MS90728-15 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-071-2512?
The FSCG of the NSN 5305-00-071-2512 is 5305
Does the NSN 5305-00-071-2512 have a Schedule B code assigned?
Yes, the Schedule B code is 8710000090
Does NSN 5305-00-071-2512 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 5305-00-071-2512 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-071-2512 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 5305-00-071-2512 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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