The Washer,key, cataloged under National Stock Number 5310-00-186-0979, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 25 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-186-0979 |
| Primary Part Number | W20 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | General Motors Corp |
| Status | CANCELLED |
| Material | STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OVERALL |
| Internal Prebent Key Length | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Material Thickness | 0.088 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 5.500 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Hardness Rating | 50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM |
| External Prebent Key Width | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Hole Diameter | 3.988 INCHES MINIMUM AND 4.018 INCHES MAXIMUM IN |
| Internal Prebent Key Width | 0.313 INCHES MINIMUM AND 0.353 INCHES MAXIMUM IN |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| External Key Quantity | 19 |
| Outside Diameter | 4.812 INCHES MINIMUM AND 4.857 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| W20 | General Motors Corp (USA) |
| 10A3779PC7 | Westinghouse Electric Corp (USA) |
| W20 | Murray Div of the Trane Co (USA) |
| AN1-4-7601-65PC269 | Philadelphia Naval Shipyard (USA) |
| W20 | Federal-Mogul Corp Government Sales Dept (USA) |
| W-20 | Reliance Electric (USA) |
| W20 | Lidgerwood Manufacturing Company Dba Lidgerwood Manufacturing Co Div Lidgerwood Manufacuring Co (USA) |
| W20 | Patterson Pump Co Div Patterson Pump Company (USA) |
| WW9481425PC81 | General Electric Company (USA) |
| MAAFB2435APC20 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| W20 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 15AF9B2435APC20 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| C91080AHPC159 | Patterson Pump Co Div Patterson Pump Company (USA) |
| 44J175PC27 | Westinghouse Electric Corp (USA) |
| W20 | Schatz Bearing Corporation Dba Schatz Bearing Corp (USA) |
| W20 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| 72-6971-370 | Fairbanks Morse, Llc (USA) |
| 18Z1D18 | Morris Material Handling, Inc. (USA) |
| W20 | Universal Engineering Corp. (USA) |
| W20 | Fag Bearings Corporation (USA) |
NSN 5310-00-186-0979 is a Washer,key, manufactured by General Motors Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-186-0979 has 50 cross-referenced part numbers: W20 (General Motors Corp), 10A3779PC7 (Westinghouse Electric Corp), W20 (Murray Div of the Trane Co), AN1-4-7601-65PC269 (Philadelphia Naval Shipyard), W20 (Federal-Mogul Corp Government Sales Dept) and 45 more.
There are 12 known substitutes for 5310-00-186-0979: 5315-00-011-7995, 5305-00-021-5912, 3110-00-100-9830 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for W20: End Item Identification: W/S: LOS ANGELES CLASS SSN (688); NIMITZ CLASS CVN; FORRESTAL CLASS CV; OLIVER PERRY CLASS FFG; LIGHTER AMPHIBIOUS SP, 60-TON, LARC-LX; ELEVATORS, AIRCRAFT; TICONDERONGA CLASS CG (47); SPRUANCE CLASS DD (963); ELEVATORS, CARGO/WEAPONS; Material: STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OVERALL; Internal Prebent Key Length: 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Material Thickness: 0.088 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-186-0979 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.