The Screw,machine, cataloged under National Stock Number 5305-00-071-2087, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-071-2087 |
| Primary Part Number | MS51957-84 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Head Diameter | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Head Height | 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Thread Length | 1.150 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Screw Surface Treatment | PASSIVATE |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Head Style | PAN |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Screw Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Screw Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51957-84 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| BM12304-04 | Demarkus Corp Refrigeration Engineering Corp (USA) |
| 5305PL0968234 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| AN515C416R20 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 23112 | Federal Screw Products, Inc. (USA) |
NSN 5305-00-071-2087 is a Screw,machine, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-071-2087 has 5 cross-referenced part numbers: MS51957-84 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), BM12304-04 (Demarkus Corp Refrigeration Engineering Corp), 5305PL0968234 (Jednolity Indeks Materialowy - Uniform Material Index), AN515C416R20 (Zf Industrieantriebe Witten Gmbh), 23112 (Federal Screw Products, Inc.).
There are 8 known substitutes for 5305-00-071-2087: 5133-00-227-5967, 3433-00-275-1236, 5330-00-493-3809 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS51957-84: Head Diameter: 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN; Head Height: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN; Thread Length: 1.150 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-071-2087 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.