The Washer,key, cataloged under National Stock Number 5310-00-470-5342, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Enjet Aero Manchester Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-470-5342 |
| Primary Part Number | 492745 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Enjet Aero Manchester Llc |
| Status | ACTIVE |
| Split Key Length | 0.071 INCHES NOMINAL IN |
| Overall Distance Including Keys | 0.917 INCHES NOMINAL IN |
| Hardness Rating | 20.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM |
| Style Designator | KEY |
| Material Document and Classification | AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| External Tapered Key Width | 1.000 INCHES NOMINAL IN |
| Material Thickness | 0.042 INCHES NOMINAL IN |
| External Key Quantity | 1 |
| External Prebent Key Width | 1.000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Angle Between External Keys | 95.0 DEGREES NOMINAL |
| Hole Diameter | 0.526 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 492745 | Trego Inc (USA) |
| 492745 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 492745 PRIMARY | Enjet Aero Manchester Llc (USA) |
| 492745 | Satellite Aerospace, Incorporated Dba Satellite Aerospace Inc (USA) |
| 492745 | Tokyo Judoi Kogyo K.k. (JPN) |
| Reference | Meaning |
|---|---|
| 492745 | 5/9 Secondary reference Tokyo Judogi Kogyo Co. |
NSN 5310-00-470-5342 is a Washer,key, manufactured by Enjet Aero Manchester Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-470-5342 has 5 manufacturer part numbers on file: 492745 (Trego Inc), 492745 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 492745 (Enjet Aero Manchester Llc), 492745 (Satellite Aerospace, Incorporated Dba Satellite Aerospace Inc), 492745 (Tokyo Judoi Kogyo K.k.).
Key specifications for 492745: Split Key Length: 0.071 INCHES NOMINAL IN; Overall Distance Including Keys: 0.917 INCHES NOMINAL IN; Hardness Rating: 20.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM; Style Designator: KEY. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.