The Ring,wearing, cataloged under National Stock Number 4320-00-264-0767, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-264-0767 |
| Primary Part Number | SMS-6777-7-1 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | PLAIN |
| Body Outside Diameter | 3.500 INCHES MINIMUM AND 3.501 INCHES MAXIMUM IN |
| Body Inside Diameter | 3.108 INCHES MINIMUM AND 3.112 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 |
|---|---|
| SMS-6777-7-1 PRIMARY | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| CA6777PC7US | 5/9 Secondary reference U.S. Government activity |
| CA6631PC10US | 5/9 Secondary reference U.S. Government activity |
| CA6581PC10US | 5/9 Secondary reference U.S. Government activity |
| CA6090PC10US | 5/9 Secondary reference U.S. Government activity |
| CA6090-10-1 | 5/9 Secondary reference U.S. Government activity |
| CA6090K10-1 | 5/9 Secondary reference U.S. Government activity |
| CA6668PC6US | 5/9 Secondary reference U.S. Government activity |
NSN 4320-00-264-0767 is a Ring,wearing, manufactured by Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-264-0767 has 1 manufacturer part number on file: SMS-6777-7-1 (Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc).
Key specifications for SMS-6777-7-1: Surface Finish: 125.0 MICROINCHES ALL SURFACES; Corner Shape: SQUARE ALL CORNERS; Body Style: PLAIN; Body Outside Diameter: 3.500 INCHES MINIMUM AND 3.501 INCHES MAXIMUM 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.