Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY 114HS136
1 manufacturer part number on file
Identification
NSN: 4820-00-181-8994
NIIN: 001818994
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Valve,hydraulic Oil Reservoir, cataloged under National Stock Number 4820-00-181-8994, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-181-8994
Item Name
Valve,hydraulic Oil Reservoir
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Reference Number Differentiating Characteristics
AS DIFFERENTIATED BY 114HS136
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.
4520-00-217-732941900POSSIBLE MATCH
DUCT ASSEMBLY,FLE,I
Possible match (shared part number)L3harris Technologies, Inc Div Space & Airborne Systems
5915-01-071-1923HY364-4G1POSSIBLE MATCH
NETWORK,CIRCUIT PROTECTION
Possible match (shared part number)Dsk Engineering and Technology Inc
5940-01-219-193041-900POSSIBLE MATCH
TERMINAL,FEEDTHRU
Possible match (shared part number)U S Terminals Inc
5340-01-321-034241900POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Fleet Readiness Center East Div Department of Navy
6680-01-395-837841900POSSIBLE MATCH
TRANSMITTER,LIQUID QUANTITY
Possible match (shared part number)Setra Systems, Inc. Dba Gems Sensors
NSN 4820-00-181-8994 is a Valve,hydraulic Oil Reservoir, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-181-8994?
NSN 4820-00-181-8994 has 1 manufacturer part number on file: 114HS136 (The Boeing Company).
What NSN replaces 4820-00-181-8994?
6 possible matches (shared part number, not a government interchangeability claim): 4520-00-217-7329, 5915-01-071-1923, 5940-01-219-1930. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-00-181-8994?
Key specifications for 4820-00-181-8994: Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY 114HS136. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-181-8994 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.