PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

84131Guide,spring

Hydro-Aire Aerospace Corp · NSN 1650-01-027-2391 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-01-027-2391 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-027-2391. Primary manufacturer part number: 84131.
Features
  • Guide,spring — FSC 1650
  • General Characteristics Item Description: 1.813 IN. DIA; 0.76 IN. LG IN
  • 1 verified cross-reference
  • Primary manufacturer: Hydro-Aire Aerospace Corp
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Guide,spring, cataloged under National Stock Number 1650-01-027-2391, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-01-027-2391
Primary Part Number84131
Item NameGuide,spring
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
General Characteristics Item Description1.813 IN. DIA; 0.76 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1650-00-135-75448413-3 INTERCHANGEABLE
Bell Crank,three Arm
Goodrich Aerospace Canada Ltd
5330-00-587-0148 INTERCHANGEABLE
Packing,preformed
5999-00-644-5525179NP INTERCHANGEABLE
Retainer,electrical Shield
Elco Manufacturing Co Inc
3040-01-097-20888413-1 INTERCHANGEABLE
Disc,brake
Kearfott Corp Div Kearfott Corporation
Cross-Reference Index
Part NumberManufacturer
84131 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
1650-00-135-7544INTERCHANGEABLE
BELL CRANK,THREE ARM
8413-3
5330-00-587-0148INTERCHANGEABLE
PACKING,PREFORMED
5999-00-644-5525INTERCHANGEABLE
RETAINER,ELECTRICAL SHIELD
179NP
3040-01-097-2088INTERCHANGEABLE
DISC,BRAKE
8413-1

Frequently Asked Questions

What is NSN 1650-01-027-2391?

NSN 1650-01-027-2391 is a Guide,spring, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-01-027-2391?

NSN 1650-01-027-2391 has 1 cross-referenced part number: 84131 (Hydro-Aire Aerospace Corp).

What NSN replaces 1650-01-027-2391?

There are 4 known substitutes for 1650-01-027-2391: 1650-00-135-7544, 5330-00-587-0148, 5999-00-644-5525 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 84131?

Key specifications for 84131: End Item Identification: ACFT MODEL E-3A A; General Characteristics Item Description: 1.813 IN. DIA; 0.76 IN. LG IN. 2 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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