B1821BH038C138N

View detailed technical data, stock status, and sourcing information for: B1821BH038C138N
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 B1821BH038C138N to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-688-2111

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

1.000 inches minimum and 1.188 inches maximum thread length, 2a thread class, right-hand thread direction, 1.313 inches minimum and 1.375 inches maximum fastener length, hexagon head style

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: 1.000 inches minimum and 1.188 inches maximum
Fastener Length: 1.313 inches minimum and 1.375 inches maximum
Head Style: hexagon
Head Height: 0.226 inches minimum and 0.243 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
End Item Identification: mrap-rg-33 and rg-33 auv; mrap - m-atv with cs13 sne; mrap - cougar tow; armored multi-purpose vehicle (ampv); multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Surface Finish: 63.0 microinches threads
Material: steel overall
Material Document And Classification: sae j429 grade 8 assn std single material response or astm a354 grade bd 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: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-010-6332	No Name Available	09/01/1983
5305-00-021-6859	No Name Available	10/21/1998
5305-00-365-6931	No Name Available	10/01/1982
5305-00-423-9003	No Name Available	02/01/1983
5305-00-837-8022	No Name Available	02/10/1967
5306-01-155-4347	No Name Available	12/01/1986

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
0014767	Hexagon Head Cap Screw
10383837	Hexagon Head Cap Screw
17C622	Hexagon Head Cap Screw
1C6175P19	Hexagon Head Cap Screw
2077-6809-001	Hexagon Head Cap Screw
29420462	Hexagon Head Cap Screw
358000	Hexagon Head Cap Screw
5305006882111	Hexagon Head Cap Screw
5305PL0655752	Hexagon Head Cap Screw
9439636	Hexagon Head Cap Screw
AES01C375A37AW9A91	Hexagon Head Cap Screw
B1821AH038C138N	Hexagon Head Cap Screw
B1821BH038C138N	Hexagon Head Cap Screw
MS90728-63	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-688-2111?

The FSCG of the NSN 5305-00-688-2111 is 5305

Does the NSN 5305-00-688-2111 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-688-2111 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 5305-00-688-2111 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-688-2111 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 5305-00-688-2111 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963