The Ring,wearing, cataloged under National Stock Number 4320-01-503-1738, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Carver Pump Company. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-503-1738 |
| Primary Part Number | US7-6301-0-01 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| 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 |
|---|---|
| US7-6301-0-01 PRIMARY | Carver Pump Company (USA) |
| N-999-6301-B-005 ITEM 61 | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| N-999-6301-B-005 | D/9 Drawing number reference only Carver Pump Company |
NSN 4320-01-503-1738 is a Ring,wearing, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-503-1738 has 2 manufacturer part numbers on file: US7-6301-0-01 (Carver Pump Company), N-999-6301-B-005 ITEM 61 (Carver Pump Company).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-503-1760, 4320-01-503-8724. Verify interchangeability with system specifications before substitution.
Key specifications for US7-6301-0-01: Special Features: USED AS A REPLACEMENT PART ONLY; MATERIAL: TITANIUM; End Item Identification: PUMP CTFGL 900 GPM 75 PSI 1800 RPM MCC (6X6X15) RPM. 0 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.