The Ring,wearing, cataloged under National Stock Number 4320-01-554-4008, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Depco Pump Company Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4320-01-554-4008 |
| Primary Part Number | 35027 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Depco Pump Company Inc. |
| Status | ACTIVE |
| Material | STEEL COMP 316 |
| 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 |
|---|---|
| 35027 PRIMARY | Depco Pump Company Inc. (USA) |
NSN 4320-01-554-4008 is a Ring,wearing, manufactured by Depco Pump Company Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-554-4008 has 1 manufacturer part number on file: 35027 (Depco Pump Company Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-586-8945. Verify interchangeability with system specifications before substitution.
Key specifications for 35027: Special Features: RING,RETAINING, 316SS; End Item Identification: WATERJET ASSEMBLY; Material: STEEL COMP 316. 1 specification is 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.