The Ring,wearing, cataloged under National Stock Number 4320-00-398-7929, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-00-398-7929 |
| Primary Part Number | 965P |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | PLAIN |
| Body Outside Diameter | 4.018 INCHES NOMINAL IN |
| Body Inside Diameter | 3.624 INCHES MINIMUM AND 3.625 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 965P PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| SL4149PC36 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 968P PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| SL5042PC40 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 10108 PRIMARY | Rps-Fl, Inc. Dba Rps Inc (USA) |
| SL4947PC40 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| SL6770PC4 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 968P | 5/9 Secondary reference U.S. Government activity |
| SL6770PC4 | 5/9 Secondary reference U.S. Government activity |
| 965P | 5/9 Secondary reference U.S. Government activity |
| SL4947PC40 | 5/9 Secondary reference U.S. Government activity |
| SL5042PC40 | 5/9 Secondary reference U.S. Government activity |
| SL4149PC36 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-00-398-7929 is a Ring,wearing, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-398-7929 has 7 manufacturer part numbers on file: 965P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL4149PC36 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 968P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL5042PC40 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 10108 (Rps-Fl, Inc. Dba Rps Inc) and 2 more.
1 possible match (shared part number, not a government interchangeability claim): 2805-00-421-9541. Verify interchangeability with system specifications before substitution.
Key specifications for 965P: Surface Finish: 125.0 MICROINCHES ALL SURFACES; Corner Shape: SQUARE ALL CORNERS; Body Style: PLAIN; Body Outside Diameter: 4.018 INCHES NOMINAL IN. 6 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.