1. Home /
  2. Catalog /
  3. Screws /
  4. 5305-00-725-0145 /
  5. B1821BH056F200N

B1821BH056F200N

View detailed technical data, stock status, and sourcing information for: B1821BH056F200N

DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part B1821BH056F200N to receive an up to date pricing and availability quote by email.

B1821BH056F200N
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-725-0145
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, 1.375 inches minimum and 1.563 inches maximum thread length, 2.000 inches nominal 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
1.375 inches minimum and 1.563 inches maximum
Fastener Length
2.000 inches nominal
Head Style
hexagon
Head Height
0.348 inches minimum and 0.371 inches maximum
Width Between Flats
0.798 inches minimum and 0.812 inches maximum
Nominal Thread Diameter
0.562 inches
Thread Quantity Per Inch
18
Minimum Tensile Strength
150000 pounds per square inch
Hardness Rating
32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Minimum Yield Strength
120000 pounds per square inch
Material
steel overall
Material Document And Classification
sae gr 8 assn std single material response overall
Surface Treatment
zinc and chromate overall
Surface Treatment Document And Classification
astm b633 ty 2 sc 3 assn std single treatment response overall
Thread Series Designator
unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-043-5431 No Name Available 07/01/1979
5305-01-283-3599 No Name Available 09/04/1991

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
B1821BH056F200N Hexagon Head Cap Screw
MS90727-140 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-725-0145?
The FSCG of the NSN 5305-00-725-0145 is 5305
Does the NSN 5305-00-725-0145 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-725-0145 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 5305-00-725-0145 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-725-0145 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 5305-00-725-0145 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

You May Also Like

Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.

Pricing

Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:

ITAR Registered

Featured Parts

Explore our most requested parts, carefully selected based on customer demand and sourcing activity. Each listing provides current specifications, availability status, and item condition:

700S-CFB530EJC
5945-01-606-1176
Thermal Relay
700S-CFB530ZJC
5945-01-606-1347
Thermal Relay
700S-CFB620DJC
5945-01-650-2695
Electromagnetic Relay
700S-CFB620EJC
5945-01-650-2695
Electromagnetic Relay
700S-DCP220DZ24
5945-01-651-6027
Solid State Relay
700S-DCP440Z24
5945-01-551-3323
Safety Relay
700S-DCP620Z24
5945-01-606-8087
Solid State Relay
700S-DCPK710DZ24
5945-01-651-5187
Solid State Relay
700S-P220A1
5945-01-508-7879
Electromagnetic Relay
700S-P22A1
5945-01-698-6301
Electromagnetic Relay
700S-XP-1-132
6210-00-162-8194
Light Lens
700S1756-36-4101
5355-01-142-4387
Knob
700S407
5305-01-654-2129
Hexagon Head Cap Screw
700S416
5305-01-654-2197
Hexagon Head Cap Screw
700S486
5305-01-654-2128
Hexagon Head Cap Screw