The Guard,valve Strip, cataloged under National Stock Number 4310-01-321-4525, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Peerless Mfg Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Guard,valve Strip |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Peerless Mfg Co (CAGE 46219) |
| Parameter | Value |
|---|---|
| NSN | 4310-01-321-4525 |
| Primary Part Number | D513-10307-1 |
| Item Name | Guard,valve Strip |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Peerless Mfg Co |
| Status | ACTIVE |
| 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 |
|---|---|
| D513-10307-1 PRIMARY | Peerless Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| D513-10000-1 | D/9 Drawing number reference only Peerless Mfg Co |
NSN 4310-01-321-4525 is a Guard,valve Strip, manufactured by Peerless Mfg Co, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-321-4525 has 1 manufacturer part number on file: D513-10307-1 (Peerless Mfg Co).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-321-4707. Verify interchangeability with system specifications before substitution.
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.