The Washer,lock, cataloged under National Stock Number 5310-01-476-1622, 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 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-476-1622 |
| Primary Part Number | 124-4364812PC 47 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.680 INCHES NOMINAL IN |
| Material Thickness | 0.094 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.385 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 |
|---|---|
| 91102A031 | Mcmaster-Carr Supply Co (USA) |
| 124-4364812PC 47 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4364812 | D/9 Drawing number reference only Naval Sea Systems Command |
| 124-4364814 PC | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 124-4364812 PC | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 3/8 STD LOCK | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-476-1622 is a Washer,lock, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-476-1622 has 2 manufacturer part numbers on file: 91102A031 (Mcmaster-Carr Supply Co), 124-4364812PC 47 (Naval Sea Systems Command).
Key specifications for 124-4364812PC 47: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.680 INCHES NOMINAL IN; Material Thickness: 0.094 INCHES NOMINAL IN; Surface Treatment: ZINC OVERALL. 6 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.