PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-10137Indicator,hydraulic

Pti Technologies Inc. · NSN 1650-00-303-5772 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-303-5772 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-303-5772. Primary manufacturer part number: 31-10137.
Features
  • Indicator,hydraulic — FSC 1650
  • 6 verified cross-references
  • Primary manufacturer: Pti Technologies Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,hydraulic, cataloged under National Stock Number 1650-00-303-5772, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Pti Technologies Inc.. This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameIndicator,hydraulic
FSC / FSG1650 — No Item Name Available (FSG 16)
ManufacturersWoodward Hrt Inc (CAGE 81873); Pti Technologies Inc. (CAGE 05228); Bahr Machine Company Inc Dba Bahr Machine Co (CAGE 75201); Pall Aeropower Corporation (CAGE 18350); Transdigm Inc Div Aero Fluid Products (CAGE 96124)
Technical Specifications
ParameterValue
NSN1650-00-303-5772
Primary Part Number31-10137
Item NameIndicator,hydraulic
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerPti Technologies Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2930-00-313-6445FP23506723 INTERCHANGEABLE
Pump,cooling System,engine
Federal-Mogul Corp Government Sales Dept
5360-00-598-4961SCB69337-1 INTERCHANGEABLE
Spring,helical,extension
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5315-00-994-349150231 INTERCHANGEABLE
Pin,quick Release
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
5340-01-597-065450231 INTERCHANGEABLE
Mount,resilient,utility
Aquadrive Systems Inc
Cross-Reference Index
Part NumberManufacturer
31-10137 Woodward Hrt Inc (USA)
7592950-101 Pti Technologies Inc. (USA)
5023-1 Bahr Machine Company Inc Dba Bahr Machine Co (USA)
TD094UH095 Pall Aeropower Corporation (USA)
31-10137 Transdigm Inc Div Aero Fluid Products (USA)
31-10137 PRIMARY Pti Technologies Inc. (USA)
Related Parts
2930-00-313-6445INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
FP23506723
5360-00-598-4961INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
SCB69337-1
5315-00-994-3491INTERCHANGEABLE
PIN,QUICK RELEASE
50231
5340-01-597-0654INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
50231

Frequently Asked Questions

What is NSN 1650-00-303-5772?

NSN 1650-00-303-5772 is a Indicator,hydraulic, manufactured by Pti Technologies Inc., classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-303-5772?

NSN 1650-00-303-5772 has 6 cross-referenced part numbers: 31-10137 (Woodward Hrt Inc), 7592950-101 (Pti Technologies Inc.), 5023-1 (Bahr Machine Company Inc Dba Bahr Machine Co), TD094UH095 (Pall Aeropower Corporation), 31-10137 (Transdigm Inc Div Aero Fluid Products) and 1 more.

What NSN replaces 1650-00-303-5772?

There are 4 known substitutes for 1650-00-303-5772: 2930-00-313-6445, 5360-00-598-4961, 5315-00-994-3491 and 1 more. Verify interchangeability with system specifications before substitution.

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