The Washer,lock, cataloged under National Stock Number 5310-01-474-3244, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-474-3244 |
| Primary Part Number | 124-5923272 PC 115 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-Z-325,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 1.647 INCHES NOMINAL IN |
| Material Thickness | 0.250 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 1.003 INCHES MINIMUM AND 1.015 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 |
|---|---|
| 124-5794558 PC 24 | Naval Sea Systems Command (USA) |
| 124-5923272 PC 115 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5794558 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5923272 | D/9 Drawing number reference only Naval Sea Systems Command |
| WASHER LOCK 1IN | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-474-3244 is a Washer,lock, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-474-3244 has 2 manufacturer part numbers on file: 124-5794558 PC 24 (Naval Sea Systems Command), 124-5923272 PC 115 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 4030-01-475-9536, 5310-01-491-4331, 5365-01-492-2008. Verify interchangeability with system specifications before substitution.
Key specifications for 124-5923272 PC 115: Surface Treatment Document and Classification: QQ-Z-325,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 1.647 INCHES NOMINAL IN; Material Thickness: 0.250 INCHES NOMINAL IN. 7 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.