The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-051-4076, 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 14 commercial cross-references from 12 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 | 5305-00-051-4076 |
| Primary Part Number | B1821BH031F100N |
| 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 |
| Thread Class | 2A A |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Material | STEEL OVERALL |
| Thread Quantity Per Inch | 24 |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Height | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Surface Treatment Document and Classification | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNF |
| Nondefinitive Spec/std Data | 2 TYPE AND 10P STYLE AND 8 GRADE |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Thread Length | 0.875 INCHES MINIMUM IN |
| Material Document and Classification | SAE J429 GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 199-110 | Ohio Auto Parts Co (USA) |
| 18C516 | Clark Equipment Co (USA) |
| 199-110 | Dorman Products, Inc. Dba Dorman (USA) |
| 5305PL0818697 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 5305000514076 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| FF-S-85 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| BACS12CG34 | The Boeing Company Div Defense (USA) |
| ASEM B18.2.1 | The American Society of Mechanical Engineers (USA) |
| XX002-0970 | Rdm Technology B.v. (NLD) |
| MS90727-34 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| B1821BH031F100N PRIMARY | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 186724 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| MS35304-34 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AES01F312A00AW9A91 | The American Society of Mechanical Engineers (USA) |
NSN 5305-00-051-4076 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 5305-00-051-4076 has 14 cross-referenced part numbers: 199-110 (Ohio Auto Parts Co), 18C516 (Clark Equipment Co), 199-110 (Dorman Products, Inc. Dba Dorman), 5305PL0818697 (Jednolity Indeks Materialowy - Uniform Material Index), 5305000514076 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales) and 9 more.
There are 6 known substitutes for 5305-00-051-4076: 5305-00-725-2317, 5305-00-726-2572, 5305-00-904-4004 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for B1821BH031F100N: Head Style: HEXAGON; Thread Class: 2A A; Hardness Rating: 33.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL; Material: STEEL OVERALL. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-051-4076 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.