The Washer,keyway, cataloged under National Stock Number 5310-00-113-3869, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Mission Systems, Inc.. Government technical data includes 10 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-113-3869 |
| Primary Part Number | SMC618038-2 |
| Item Name | Washer,keyway |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics Mission Systems, Inc. |
| Status | ACTIVE |
| Distance From Centerline to Bottom of Internal Keyway | 0.1287 INCHES NOMINAL IN |
| Internal Keyway Width | 0.062 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | KEYWAY |
| Material Document and Classification | QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.312 INCHES NOMINAL IN |
| Material Thickness | 0.0045 INCHES MINIMUM AND 0.0055 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.1285 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 |
|---|---|
| SMC618038-2 PRIMARY | General Dynamics Mission Systems, Inc. (USA) |
NSN 5310-00-113-3869 is a Washer,keyway, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-113-3869 has 1 manufacturer part number on file: SMC618038-2 (General Dynamics Mission Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-098-4694. Verify interchangeability with system specifications before substitution.
Key specifications for SMC618038-2: Distance From Centerline to Bottom of Internal Keyway: 0.1287 INCHES NOMINAL IN; Internal Keyway Width: 0.062 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: KEYWAY. 10 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.