The Ring,valve, cataloged under National Stock Number 4820-01-088-9177, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Greene Tweed & Co Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Greene Tweed & Co Inc (CAGE 5F573); Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (CAGE 78062) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-088-9177 |
| Primary Part Number | 7111FR-106-T |
| Item Name | Ring,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 7111FR-106-T PRIMARY | Greene Tweed & Co Inc (USA) |
| 7111FR-160-T | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 27023-001 REV A FIND 71 | 5/9 Secondary reference Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| 7111FR-160A-T | C/1 Advisory reference — outside the item-of-supply concept Greene Tweed & Co Inc |
| 7111FR-160A-T | 5/9 Secondary reference Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
NSN 4820-01-088-9177 is a Ring,valve, manufactured by Greene Tweed & Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-088-9177 has 2 manufacturer part numbers on file: 7111FR-106-T (Greene Tweed & Co Inc), 7111FR-160-T (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-393-5351. 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.
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.