The Washer,lock, cataloged under National Stock Number 5310-01-468-7725, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Carver Pump Company. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-468-7725 |
| Primary Part Number | NSL-0-99-002 PC 25 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | QQ-N-00281C FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 1.264 INCHES NOMINAL IN |
| Material Thickness | 0.188 INCHES NOMINAL IN |
| Material | COPPER ALLOY AND NICKEL ALLOY OVERALL |
| Hole Diameter | 0.753 INCHES MINIMUM AND 0.765 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 |
|---|---|
| NSL-0-99-002 PC 25 PRIMARY | Carver Pump Company (USA) |
| NSL-0-99-002 PC 32A | Carver Pump Company (USA) |
| NSL-0-99-002 PC 29 | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| D-NSL-0-99-002 PC 29 | 5/9 Secondary reference Carver Pump Company |
| D-NSL-0-99-002 PC 32A | 5/9 Secondary reference Carver Pump Company |
| D-NSL-0-99-002 PC 25 | 3/9 Design control — primary reference Carver Pump Company |
| D-NSL-0-99-002 | D/9 Drawing number reference only Carver Pump Company |
NSN 5310-01-468-7725 is a Washer,lock, manufactured by Carver Pump Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-468-7725 has 3 manufacturer part numbers on file: NSL-0-99-002 PC 25 (Carver Pump Company), NSL-0-99-002 PC 32A (Carver Pump Company), NSL-0-99-002 PC 29 (Carver Pump Company).
5 possible matches (shared part number, not a government interchangeability claim): 5310-01-468-7946, 5310-01-468-7961, 5310-01-468-7965. Verify interchangeability with system specifications before substitution.
Key specifications for NSL-0-99-002 PC 25: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: QQ-N-00281C FED SPEC ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 1.264 INCHES NOMINAL IN; Material Thickness: 0.188 INCHES NOMINAL IN. 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.