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136168-306

View detailed technical data, stock status, and sourcing information for: 136168-306

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136168-306
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-702-4523
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.

hexagon head style, 0.750 inches maximum thread length, 0.750 inches nominal fastener length, 2a thread class, right-hand thread direction

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 maximum
Fastener Length
0.750 inches nominal
Head Style
hexagon
Head Height
0.150 inches minimum and 0.163 inches maximum
Width Between Flats
0.428 inches minimum and 0.437 inches maximum
End Item Identification
mrap- cougar ambulance; mrap buffalo mk2a2; mrap - m-atv with cs13 pop and sne; mrap - cougar; mrap - cougar cat1 a2; multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle; armored multi-purpose vehicle (ampv)
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
20
Minimum Tensile Strength
50000 pounds per square inch
Criticality Code Justification
cqbc
Material
steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
Material Document And Classification
66 fed std all material responses overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
qq-p-35 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
5305-00-082-1649 No Name Available 09/01/1982
5305-00-107-1605 No Name Available 01/01/1991
5305-00-364-3417 No Name Available 06/01/1992
5306-00-464-8508 No Name Available 03/17/1971
5305-00-490-6471 No Name Available 10/01/1982
5305-00-579-5478 No Name Available 01/15/1971
5305-00-995-6955 No Name Available 07/07/1999
5305-01-014-7483 No Name Available 09/01/1988
5305-01-233-2792 No Name Available 07/01/2015

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
0716814 Hexagon Head Cap Screw
1301847-73 Hexagon Head Cap Screw
136168-306 Hexagon Head Cap Screw
145-450943-9 Hexagon Head Cap Screw
1C6166P18 Hexagon Head Cap Screw
210220 Hexagon Head Cap Screw
28307 Hexagon Head Cap Screw
301556 Hexagon Head Cap Screw
32018-006-AK Hexagon Head Cap Screw
32018-6-AK Hexagon Head Cap Screw
416129-6 Hexagon Head Cap Screw
5000 060200 Hexagon Head Cap Screw
801625-551-003 PC NO 14B Hexagon Head Cap Screw
82-2063-0075 Hexagon Head Cap Screw
9316A540 Hexagon Head Cap Screw
946808-1412 Hexagon Head Cap Screw
TIP00030 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-702-4523?
The FSCG of the NSN 5305-00-702-4523 is 5305
Does the NSN 5305-00-702-4523 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-702-4523 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 5305-00-702-4523 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-702-4523 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 5305-00-702-4523 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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