The Ring,diffuser, cataloged under National Stock Number 4320-01-129-5634, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Sears, Roebuck and Co. Dba Sears Div Sears Commercial. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-129-5634 |
| Primary Part Number | C21-10 |
| Item Name | Ring,diffuser |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Sears, Roebuck and Co. Dba Sears Div Sears Commercial |
| 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 |
|---|---|
| C21-10 PRIMARY | Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA) |
NSN 4320-01-129-5634 is a Ring,diffuser, manufactured by Sears, Roebuck and Co. Dba Sears Div Sears Commercial, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-129-5634 has 1 manufacturer part number on file: C21-10 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial).
Key specifications for C21-10: End Item Identification: SEARS PUMP MODELS 390-2603 AND 390-2604. 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.