The Sizing Ring,seal,hydraulic Actua, cataloged under National Stock Number 4920-01-616-4271, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. The record lists 3 manufacturer part numbers 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 | 4920-01-616-4271 |
| Primary Part Number | 654C0736 |
| Item Name | Sizing Ring,seal,hydraulic Actua |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| 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 |
|---|---|
| 0654C0736C036A | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| PL-999F0934 FIND NO 31 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 654C0736 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4920-01-616-4271 is a Sizing Ring,seal,hydraulic Actua, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-616-4271 has 3 manufacturer part numbers on file: 0654C0736C036A (Circor Naval Solutions Llc Dba Warren Pumps), PL-999F0934 FIND NO 31 (Circor Naval Solutions Llc Dba Warren Pumps), 654C0736 (Circor Naval Solutions Llc Dba Warren Pumps).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-646-9911. Verify interchangeability with system specifications before substitution.
Key specifications for 654C0736: Special Features: HAZARDOUS MATERIAL REVIEW HAS BEEN PERFORMED PER STR-700 FOR RECYCLING/DISPOSAL PURPOSES,HAZARDOUS MATERIAL HAS BEEN IDENTIFIED.; Part Name Assigned by Controlling Agency: RING,CASE,REAR (UNDERSIZE); End Item Identification: CENTRIFUGAL PUMP,CVN-78. 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.