The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-267-8956, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 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 | 5305-00-267-8956 |
| Primary Part Number | B1821BH025F150N |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | CANCELLED |
| Thread Quantity Per Inch | 28 |
| Thread Length | 0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Material Document and Classification | SAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Series Designator | UNF |
| Surface Treatment Document and Classification | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Head Style | HEXAGON |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 10P STYLE AND 8 GRADE |
| Thread Class | 2A A |
| Head Height | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS90727-12 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| B1821BH025F150 | Zf Industrieantriebe Witten Gmbh (DEU) |
| FFB571ANDCLASSA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| B1821BH025F150N | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| FF-S-85 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 5305002678956 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| MS90725-12 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 5305PL0845926 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| MS90726-12 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| B1821BH025F150N PRIMARY | The American Society of Mechanical Engineers (USA) |
| AES01F250A50AW9A91 PRIMARY | The American Society of Mechanical Engineers (USA) |
| 20Z1273D7 | Morris Material Handling, Inc. (USA) |
| 2678956 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5305-00-267-8956 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-267-8956 has 13 cross-referenced part numbers: MS90727-12 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), B1821BH025F150 (Zf Industrieantriebe Witten Gmbh), FFB571ANDCLASSA (Federal Specifications Promulgated by General Services Administration Washington DC), B1821BH025F150N (American National Standards Institute Incorporated Dba American National Standards Institute), FF-S-85 (Federal Specifications Promulgated by General Services Administration Washington DC) and 8 more.
There are 6 known substitutes for 5305-00-267-8956: 5305-00-071-2509, 5306-00-151-3456, 5306-00-151-3459 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for B1821BH025F150N: Thread Quantity Per Inch: 28; Thread Length: 0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN; Width Between Flats: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Fastener Length: 1.500 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-267-8956 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.