The Washer,key, cataloged under National Stock Number 5310-00-348-3497, 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 11 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-348-3497 |
| Primary Part Number | 416B191P2 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 4.320 INCHES MINIMUM AND 4.340 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 4.040 INCHES MINIMUM AND 4.060 INCHES MAXIMUM IN |
| Material Thickness | 0.022 INCHES NOMINAL IN |
| External Straight Key Width | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| External Key Quantity | 23 |
| Internal Prebent Key Length | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 3.720 INCHES MINIMUM AND 3.740 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 |
|---|---|
| 416B191P2 | General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (USA) |
| 416B191P2 | Orbital Parts Inc (USA) |
| 416B191P2 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 416B191P2 | 5/9 Secondary reference General Electric Company |
NSN 5310-00-348-3497 is a Washer,key, manufactured by General Electric Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-348-3497 has 3 manufacturer part numbers on file: 416B191P2 (General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp), 416B191P2 (Orbital Parts Inc), 416B191P2 (General Electric Company).
Key specifications for 416B191P2: Internal Prebent Key Width: 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Overall Distance Including Keys: 4.320 INCHES MINIMUM AND 4.340 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.