The Washer,key, cataloged under National Stock Number 5310-00-919-3685, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-919-3685 |
| Primary Part Number | 578112-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.164 INCHES NOMINAL IN |
| Overall Distance Including Keys | 3.000 INCHES NOMINAL IN |
| Style Designator | EXTERNAL AND INTERNAL PRE-BENT KEYS |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Material Thickness | 0.042 INCHES NOMINAL IN |
| External Key Quantity | 2 |
| Internal Prebent Key Length | 0.250 INCHES NOMINAL IN |
| External Prebent Key Width | 0.250 INCHES NOMINAL IN |
| Material | STEEL COMP 1010 OVERALL |
| Internal Key Quantity | 2 |
| Hole Diameter | 2.156 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 |
|---|---|
| 578112-1 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 578112-1 | 3/9 Design control — primary reference Goodrich Corp Dba Goodrich Corp |
NSN 5310-00-919-3685 is a Washer,key, manufactured by Goodrich Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-919-3685 has 1 manufacturer part number on file: 578112-1 (Goodrich Corporation).
Key specifications for 578112-1: Internal Prebent Key Width: 0.164 INCHES NOMINAL IN; Overall Distance Including Keys: 3.000 INCHES NOMINAL IN; Style Designator: EXTERNAL AND INTERNAL PRE-BENT KEYS; Outside Diameter: 2.500 INCHES NOMINAL IN. 11 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.