The Ring,piston, cataloged under National Stock Number 4310-01-183-7171, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Ring,piston |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (CAGE 59364); Service & Sales Inc (CAGE 59915) |
| Parameter | Value |
|---|---|
| NSN | 4310-01-183-7171 |
| Primary Part Number | 859989-19 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 859989-19 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| SS-859989-19 | Service & Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 859989-19 | 5/9 Secondary reference U.S. Government activity |
| 859989-19 | 5/2 Secondary reference U.S. Government activity |
| 859989 | D/9 Drawing number reference only U.S. Government activity |
NSN 4310-01-183-7171 is a Ring,piston, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-183-7171 has 2 manufacturer part numbers on file: 859989-19 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), SS-859989-19 (Service & Sales Inc).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-421-3516. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4310-01-183-7171 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.