The Washer,key, cataloged under National Stock Number 5310-00-977-8854, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-977-8854 |
| Primary Part Number | WH28 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Style Designator | KEY |
| Material | STEEL OVERALL |
| Material Thickness | 0.165 INCHES NOMINAL IN |
| Internal Prebent Key Width | 0.500 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN |
| External Key Quantity | 19 |
| Outside Diameter | 6.531 INCHES MINIMUM AND 6.576 INCHES MAXIMUM IN |
| Hole Diameter | 5.582 INCHES MINIMUM AND 5.617 INCHES MAXIMUM IN |
| External Prebent Key Width | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Internal Prebent Key Length | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 7.437 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| TW128 | The Timken Corporation (USA) |
| 271240 | General Motors Corp (USA) |
| 2D3-978 ITEM 74 | Lake Shore Systems, Inc. (USA) |
| WH28 PRIMARY | The Timken Corporation (USA) |
| 271240 | General Motors Llc Dba General Motors Llc (USA) |
| WH28 PRIMARY | Whittet-Higgins Company (USA) |
| W128 | Whittet-Higgins Company (USA) |
NSN 5310-00-977-8854 is a Washer,key, manufactured by The Timken Corporation, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-977-8854 has 7 cross-referenced part numbers: TW128 (The Timken Corporation), 271240 (General Motors Corp), 2D3-978 ITEM 74 (Lake Shore Systems, Inc.), WH28 (The Timken Corporation), 271240 (General Motors Llc Dba General Motors Llc) and 2 more.
There are 6 known substitutes for 5310-00-977-8854: 6145-00-160-5114, 5330-00-196-7036, 3030-00-528-4538 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for WH28: Style Designator: KEY; Material: STEEL OVERALL; Material Thickness: 0.165 INCHES NOMINAL IN; Internal Prebent Key Width: 0.500 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.