The Washer,key, cataloged under National Stock Number 5310-00-262-5845, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-262-5845 |
| Primary Part Number | T5998553PC2 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Overall Distance Including Keys | 0.719 INCHES NOMINAL0.719 INCHES NOMINAL IN |
| Style Designator | KEYKEY |
| Outside Diameter | 0.469 INCHES NOMINAL0.469 INCHES NOMINAL IN |
| Material Thickness | 0.032 INCHES NOMINAL0.032 INCHES NOMINAL IN |
| External Straight Key Width | 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN |
| External Key Quantity | 55 |
| Surface Treatment | ZINC AND ZINC AND CHROMATE OVERALLCHROMATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.316 INCHES NOMINAL0.316 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 |
|---|---|
| T5998553PC2 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 273765PC2 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5310-00-262-5845 is a Washer,key, manufactured by General Electric Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-262-5845 has 1 manufacturer part number on file: T5998553PC2 (General Electric Company).
Key specifications for T5998553PC2: Overall Distance Including Keys: 0.719 INCHES NOMINAL0.719 INCHES NOMINAL IN; Style Designator: KEYKEY; Outside Diameter: 0.469 INCHES NOMINAL0.469 INCHES NOMINAL IN; Material Thickness: 0.032 INCHES NOMINAL0.032 INCHES NOMINAL IN. 9 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.