NSN 4820-00-555-8945 · NIIN 005558945 · Part number 121175
Meggitt North Hollywood Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79318
Government record, cited
NSN 4820-00-555-8945 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-555-8945. Manufacturer of record part number: 121175.
Also searched as4820-00-555-8945 ·
4820005558945 ·
NIIN 005558945 ·
00-555-8945 ·
FSC 4820 Valves, Nonpowered · CAGE 79318 · 121175
Manufacturer of record: Meggitt North Hollywood Inc
Identification
NSN: 4820-00-555-8945
NIIN: 005558945
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 121175
Manufacturer: Meggitt North Hollywood Inc
General Description
The Valve,butterfly, cataloged under National Stock Number 4820-00-555-8945, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Meggitt North Hollywood Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Valve,butterfly
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Meggitt North Hollywood Inc (CAGE 79318)
Technical Specifications
Parameter
Value
NSN
4820-00-555-8945
Primary Part Number
121175
Item Name
Valve,butterfly
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Meggitt North Hollywood Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4710-00-657-8179121175POSSIBLE MATCH
TUBE,E,HAUSTING
Possible match (shared part number)Kearfott Corporation Div Guidance and Navigation Division
6210-00-726-6630A-6745-BPOSSIBLE MATCH
LIGHT,PANEL
Possible match (shared part number)Grimes Aerospace Company
5895-00-990-2798POSSIBLE MATCH
TUNER,RADIO FREQUENCY
Possible match (shared part number)
5995-01-266-0911121-175POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
Possible match (shared part number)Tricor Systems Inc
5365-01-377-6209121175POSSIBLE MATCH
BUSHING,TAPERED
Possible match (shared part number)Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
2050-01-620-4781121175POSSIBLE MATCH
TOWER,BUOY
Possible match (shared part number)United States Coast Guard Hq Ocean Engineering Br G-Ecv-3
NSN 4820-00-555-8945 is a Valve,butterfly, manufactured by Meggitt North Hollywood Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-555-8945?
NSN 4820-00-555-8945 has 1 manufacturer part number on file: 121175 (Meggitt North Hollywood Inc).
What NSN replaces 4820-00-555-8945?
6 possible matches (shared part number, not a government interchangeability claim): 4710-00-657-8179, 6210-00-726-6630, 5895-00-990-2798. Verify interchangeability with system specifications before substitution.
Is NSN 4820-00-555-8945 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.