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B1821BH050C113N

View detailed technical data, stock status, and sourcing information for: B1821BH050C113N

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B1821BH050C113N
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-732-0511
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, hexagon head style, 1.125 inches maximum thread length, 2a thread class, 1.125 inches nominal 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
1.125 inches maximum
Fastener Length
1.125 inches nominal
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
nsn 2320-01-304-2277 pls (palletized load system); armored multi-purpose vehicle (ampv); multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Nominal Thread Diameter
0.500 inches
Thread Quantity Per Inch
13
Minimum Tensile Strength
150000 pounds per square inch
Minimum Yield Strength
120000 pounds per square inch
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
5305-00-071-1767 No Name Available 12/01/1986
5305-01-053-0868 No Name Available 06/01/1996
5305-01-097-8899 No Name Available 11/01/1999
5305-01-133-8615 No Name Available 01/01/1989

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
10082585 Hexagon Head Cap Screw
2CD580 Hexagon Head Cap Screw
5305007320511 Hexagon Head Cap Screw
5305PL0738011 Hexagon Head Cap Screw
5306000711767 Hexagon Head Cap Screw
5315-410 Hexagon Head Cap Screw
738-H-1 Hexagon Head Cap Screw
738HX1 Hexagon Head Cap Screw
AEB02C500A12AW9A81 Hexagon Head Cap Screw
AEB02C500A12AW9A91 Hexagon Head Cap Screw
B1821BH050C113N Hexagon Head Cap Screw
MS90275-110 Hexagon Head Cap Screw
MS90728-110 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-732-0511?
The FSCG of the NSN 5305-00-732-0511 is 5305
Does the NSN 5305-00-732-0511 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-732-0511 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 5305-00-732-0511 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-732-0511 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 5305-00-732-0511 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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