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703-050-13-175

View detailed technical data, stock status, and sourcing information for: 703-050-13-175

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703-050-13-175
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-071-2070
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.

right-hand thread direction, 1.250 inches minimum and 1.442 inches maximum thread length, hexagon head style, 1.688 inches minimum and 1.750 inches maximum fastener length, 2a thread class

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
1.250 inches minimum and 1.442 inches maximum
Fastener Length
1.688 inches minimum and 1.750 inches maximum
Head Style
hexagon
Head Height
0.302 inches minimum and 0.323 inches maximum
Width Between Flats
0.736 inches minimum and 0.750 inches maximum
End Item Identification
mrap rg-33; mrap buffalo mk2a2; medium mine protected vehicle - ampv; armored multi-purpose vehicle (ampv); multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle; high-mobility artillery rocket system (himars)
Nominal Thread Diameter
0.500 inches
Thread Quantity Per Inch
13
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 stma354 grade bd assn std single material response overall
Surface Treatment
chromate zinc 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
5305-00-010-0161 No Name Available 08/01/1983
5305-00-012-0333 No Name Available 09/01/1983
5305-00-021-5681 Hexagon Head Cap Screw 07/01/2025
5305-00-057-1033 No Name Available 06/01/1980
5305-00-143-9746 No Name Available 07/28/1973
5305-00-163-4715 No Name Available 01/01/1982
5305-00-207-4847 Hexagon Head Cap Screw 07/01/2025
5305-00-637-4615 No Name Available 04/01/1985
5305-00-837-8025 No Name Available 07/06/1966
5306-00-933-3908 No Name Available 12/06/1967
5305-01-238-7225 No Name Available 12/01/1991
5305-01-242-0555 No Name Available 08/01/1990

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
0014798 Hexagon Head Cap Screw
10082374 Hexagon Head Cap Screw
13-828 Hexagon Head Cap Screw
145-4510954M13 Hexagon Head Cap Screw
15A00367-0000 ITEM NO 45 Hexagon Head Cap Screw
1C6174P05 Hexagon Head Cap Screw
1C817P65 Hexagon Head Cap Screw
1D41423-001 Hexagon Head Cap Screw
306-40077 Hexagon Head Cap Screw
35A2D222 Hexagon Head Cap Screw
3HA878 Hexagon Head Cap Screw
522C579009 Hexagon Head Cap Screw
5305000712070 Hexagon Head Cap Screw
5305PL0759814 Hexagon Head Cap Screw
6051845 Hexagon Head Cap Screw
703-050-13-175 Hexagon Head Cap Screw
82-2033-0175 Hexagon Head Cap Screw
AES01C500A75AW9A91 Hexagon Head Cap Screw
B1821BH050C175N Hexagon Head Cap Screw
MS35289-114 Hexagon Head Cap Screw
MS90728-114 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-071-2070?
The FSCG of the NSN 5305-00-071-2070 is 5305
Does the NSN 5305-00-071-2070 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-071-2070 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 5305-00-071-2070 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-071-2070 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 5305-00-071-2070 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

Professional Distribution

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