The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-781-3929, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-781-3929 |
| Primary Part Number | B1821BH038C425N |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | American National Standards Institute Incorporated Dba American National Standards Institute |
| Status | CANCELLED |
| Head Style | HEXAGON |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 16 |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Material Document and Classification | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 10P STYLE AND 8 GRADE |
| Fastener Length | 4.156 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Treatment Document and Classification | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Length | 1.188 INCHES MINIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4397000-075 | Bae Systems Survivability Systems Llc (USA) |
| 0T0055 | Zf Industrieantriebe Witten Gmbh (DEU) |
| MS90728-75 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 10390324 | Nimikkeistokeskus Ncb Finland (FIN) |
| B1821BH038C425N PRIMARY | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 15A00229-0000 ITEM 36 | Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies (USA) |
| MS51095-347 | Zf Industrieantriebe Witten Gmbh (DEU) |
| T55 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5305-00-781-3929 is a Screw,cap,hexagon Head, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-781-3929 has 8 cross-referenced part numbers: 4397000-075 (Bae Systems Survivability Systems Llc), 0T0055 (Zf Industrieantriebe Witten Gmbh), MS90728-75 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 10390324 (Nimikkeistokeskus Ncb Finland), B1821BH038C425N (American National Standards Institute Incorporated Dba American National Standards Institute) and 3 more.
There are 6 known substitutes for 5305-00-781-3929: 5965-00-170-5235, 5306-00-496-2224, 4730-00-595-2943 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for B1821BH038C425N: Head Style: HEXAGON; Minimum Tensile Strength: 150000 POUNDS PER SQUARE INCH LBS; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; Thread Quantity Per Inch: 16. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-781-3929 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.