The Washer,lock, cataloged under National Stock Number 5310-01-045-5312, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-045-5312 |
| Primary Part Number | Y117-616 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| Status | ACTIVE |
| Style Designator | FLAT EXTERNAL TEETH |
| Outside Diameter | 0.670 INCHES MINIMUM AND 0.670 INCHES MINIMUM AND 0.694 INCHES MAXIMUM0.694 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES MINIMUM AND 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM0.040 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.384 INCHES MINIMUM AND 0.384 INCHES MINIMUM AND 0.398 INCHES MAXIMUM0.398 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 |
|---|---|
| Y117-616 | Air Power Inc (USA) |
| Y117-616 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA) |
| Y117-616 | Flexible Assembly Systems, Inc. Dba Flexible Assembly Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 20122-108 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
| Y117-616 | 3/9 Design control — primary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
NSN 5310-01-045-5312 is a Washer,lock, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-045-5312 has 3 manufacturer part numbers on file: Y117-616 (Air Power Inc), Y117-616 (Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division), Y117-616 (Flexible Assembly Systems, Inc. Dba Flexible Assembly Systems Inc).
Key specifications for Y117-616: Style Designator: FLAT EXTERNAL TEETH; Outside Diameter: 0.670 INCHES MINIMUM AND 0.670 INCHES MINIMUM AND 0.694 INCHES MAXIMUM0.694 INCHES MAXIMUM IN; Material Thickness: 0.032 INCHES MINIMUM AND 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM0.040 INCHES MAXIMUM IN; Material: STEEL OVERALL. 5 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.