PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71181Switch,liquid Level

Hydro-Aire Aerospace Corp · NSN 2915-00-988-3183 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-988-3183 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-988-3183. Primary manufacturer part number: 71181.
Features
  • Switch,liquid Level — FSC 2915
  • Actuation Method: BUOYANCY
  • Mounting Method: BASE
  • Mounting Position: VERTICAL
  • Aircraft Fuel Grade Specification: MIL-F-5624
  • Float Quantity: 1
  • Aircraft Fuel Grade Specific Gravity Rating: 0.845 AT 16.6/15.6 DEG C MAX SPECIFIC GRAVITY DEGC
  • Aircraft Fuel for Which Designed: SPECIFIC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,liquid Level, cataloged under National Stock Number 2915-00-988-3183, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2915-00-988-3183
Primary Part Number71181
Item NameSwitch,liquid Level
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Actuation MethodBUOYANCY
Mounting MethodBASE
Mounting PositionVERTICAL
Aircraft Fuel Grade SpecificationMIL-F-5624
Float Quantity1
Aircraft Fuel Grade Specific Gravity Rating0.845 AT 16.6/15.6 DEG C MAX SPECIFIC GRAVITY DEGC
Aircraft Fuel for Which DesignedSPECIFIC
Aircraft Fuel GradeJP-4
Liquid Type for Which DesignedAIRCRAFT FUEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2915-00-708-427171181 INTERCHANGEABLE
Bellows Assy
Triumph Engine Control Systems Llc
1650-00-999-251771181 INTERCHANGEABLE
Rod,piston,linear Actuating Cyli
Pneudraulics, Inc.
5961-01-034-0828 INTERCHANGEABLE
Rectifier,semiconductor Device,u
5360-01-149-95077118100 INTERCHANGEABLE
Spring
Alfa Laval Inc
9390-01-233-342211M1013-1 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
The Boeing Company Div Defense
1730-01-436-4184 INTERCHANGEABLE
Ladder Section,aircraft Maintena
5330-01-553-019671181-1 INTERCHANGEABLE
Gasket Set
Textron Lycoming Inc Williamsport Plant
Cross-Reference Index
Part NumberManufacturer
71181 PRIMARY Hydro-Aire Aerospace Corp (USA)
CP00019-1 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
Related Parts
2915-00-708-4271INTERCHANGEABLE
BELLOWS ASSY
71181
1650-00-999-2517INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
71181
5961-01-034-0828INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
5360-01-149-9507INTERCHANGEABLE
SPRING
7118100
9390-01-233-3422INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
11M1013-1
1730-01-436-4184INTERCHANGEABLE
LADDER SECTION,AIRCRAFT MAINTENA
5330-01-553-0196INTERCHANGEABLE
GASKET SET
71181-1

Frequently Asked Questions

What is NSN 2915-00-988-3183?

NSN 2915-00-988-3183 is a Switch,liquid Level, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 2915 (No Item Name Available). Status: active.

What are the part numbers for NSN 2915-00-988-3183?

NSN 2915-00-988-3183 has 2 cross-referenced part numbers: 71181 (Hydro-Aire Aerospace Corp), CP00019-1 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company).

What NSN replaces 2915-00-988-3183?

There are 7 known substitutes for 2915-00-988-3183: 2915-00-708-4271, 1650-00-999-2517, 5961-01-034-0828 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 71181?

Key specifications for 71181: Special Features: AIRFRAME ENGINE SUPPLY WING BOX FUEL SYSTEM; T.O.1F-111-4-4,F.41,I.1; Actuation Method: BUOYANCY; Mounting Method: BASE; Mounting Position: VERTICAL. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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