NSN 6110-01-016-6904 · NIIN 010166904 · Part number 21-500
Merex Inc. · FSC 6110 — Electrical Control Equipment · FSG 61 — Electric Wire, Power, and Distribution Equipment · CAGE 52078
Government record, cited
NSN 6110-01-016-6904 — this item is cataloged by the U.S. Government under National Stock Number 6110-01-016-6904. Manufacturer of record part number: 21-500.
Also searched as6110-01-016-6904 ·
6110010166904 ·
NIIN 010166904 ·
01-016-6904 ·
FSC 6110 Electrical Control Equipment · CAGE 52078 · 21-500
FSG: 61 — Electric Wire, Power, and Distribution Equipment
Primary part number: 21-500
Manufacturer: Merex Inc.
General Description
The Regulator, cataloged under National Stock Number 6110-01-016-6904, is classified within Federal Supply Class 6110 (Electrical Control Equipment) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Merex Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 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
Regulator
FSC / FSG
6110 — Electrical Control Equipment (FSG 61)
Manufacturers
Merex Inc. (CAGE 52078)
Technical Specifications
Parameter
Value
NSN
6110-01-016-6904
Primary Part Number
21-500
Item Name
Regulator
FSC / FSG
6110 / 61 — Electrical Control Equipment
Manufacturer
Merex 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)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-01-417-679721500POSSIBLE MATCH
TRUNNION CAM,PUMP
Possible match (shared part number)Parker Hannifin Corporation Div Hydraulic Systems Division
4720-01-593-2371A1-43998DPOSSIBLE MATCH
HOSE ASSEMBLY,AIR DUCT
Possible match (shared part number)Army, United States Department of the Dba Diorectorate of Production Engineering Div Tobyhanna Army Depot
NSN 6110-01-016-6904 is a Regulator, manufactured by Merex Inc., classified under FSC 6110, Electrical Control Equipment. Status: active.
What part numbers are listed for NSN 6110-01-016-6904?
NSN 6110-01-016-6904 has 1 manufacturer part number on file: 21-500 (Merex Inc.).
What NSN replaces 6110-01-016-6904?
3 possible matches (shared part number, not a government interchangeability claim): 4320-01-417-6797, 4720-01-593-2371, 5120-01-593-9475. Verify interchangeability with system specifications before substitution.
Is NSN 6110-01-016-6904 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.