The Lockwasher,triangular, cataloged under National Stock Number 5310-00-513-8090, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 2 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-513-8090 |
| Primary Part Number | AV49-752PC28 |
| Item Name | Lockwasher,triangular |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Automatic Switch Company Dba Asco |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| AV49-752PC28 | Automatic Switch Company Dba Asco (USA) |
| AV50-184PC7 | Automatic Switch Company Dba Asco (USA) |
| JV45-289RJPC25 | Automatic Switch Company Dba Asco (USA) |
| Reference | Meaning |
|---|---|
| FV45-291-1PC1 | 5/1 Secondary reference Automatic Switch Company Dba Asco |
| 3279547PC7 | 5/2 Secondary reference U.S. Government activity |
| AV77-780-7 | 5/1 Secondary reference Automatic Switch Company Dba Asco |
| AV71-309-7 | 5/1 Secondary reference Automatic Switch Company Dba Asco |
| 820-2179136PC1 | 3/1 Design control — primary reference U.S. Government activity |
| 820-2179136-1 | 5/1 Secondary reference U.S. Government activity |
NSN 5310-00-513-8090 is a Lockwasher,triangular, manufactured by Automatic Switch Company Dba Asco, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-513-8090 has 3 manufacturer part numbers on file: AV49-752PC28 (Automatic Switch Company Dba Asco), AV50-184PC7 (Automatic Switch Company Dba Asco), JV45-289RJPC25 (Automatic Switch Company Dba Asco).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-257-5070. Verify interchangeability with system specifications before substitution.
Key specifications for AV49-752PC28: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 2 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.