The Screw,machine, cataloged under National Stock Number 5305-00-719-5021, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-719-5021 |
| Primary Part Number | MS51959-81 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use |
| Status | CANCELLED |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.650 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Screw Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Screw Surface Treatment | PASSIVATE |
| Thread Quantity Per Inch | 20 |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Screw Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES |
| Thread Class | 2A A |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Head Style | FLAT COUNTERSUNK |
| Head Diameter | 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5000 416605 | Magnetek Inc (USA) |
| 22308 | Federal Screw Products, Inc. (USA) |
| 5000 416605 | L3harris Maritime Power & Energy Solutions, Inc (USA) |
| MS51959-81 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS51959-81 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| BM12280-01-11 | Demarkus Corp Refrigeration Engineering Corp (USA) |
| 5305PL0975007 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| MS51959 -81 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 22308ADX | Airdale Express Llc Div Airdale Express (USA) |
| 608-7120913 ITEM 64 | Naval Sea Systems Command (USA) |
| 6931056 ITEM 18 | Naval Sea Systems Command (USA) |
NSN 5305-00-719-5021 is a Screw,machine, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-719-5021 has 11 cross-referenced part numbers: 5000 416605 (Magnetek Inc), 22308 (Federal Screw Products, Inc.), 5000 416605 (L3harris Maritime Power & Energy Solutions, Inc), MS51959-81 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS51959-81 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 6 more.
There are 10 known substitutes for 5305-00-719-5021: 5935-00-089-1365, 3110-00-156-1421, 2520-00-244-1641 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS51959-81: Fastener Length: 0.750 INCHES NOMINAL IN; Thread Length: 0.650 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Nominal Thread Diameter: 0.250 INCHES IN. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-719-5021 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.