The Washer,key, cataloged under National Stock Number 5310-01-193-2396, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-193-2396 |
| Primary Part Number | 1881B282 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Internal Straight Key Width | 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.895 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | KEY |
| Material Document and Classification | MIL-S-8844,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.625 INCHES NOMINAL IN |
| Material Thickness | 0.189 INCHES MINIMUM AND 0.191 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Material | STEEL COMP 4340 OVERALL |
| Internal Key Quantity | 2 |
| Hole Diameter | 2.005 INCHES MINIMUM AND 2.010 INCHES MAXIMUM 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 |
|---|---|
| 1881B282 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1881B282 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5310-01-193-2396 is a Washer,key, manufactured by Goodrich Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-193-2396 has 1 manufacturer part number on file: 1881B282 (Goodrich Corporation).
Key specifications for 1881B282: Surface Finish: 125.0 MICROINCHES ALL SURFACES; Internal Straight Key Width: 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.895 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.