PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20633Spool

Airline Hydraulics Corp Dba Airline Hydraulics Corp · NSN 1440-00-063-4394 · FSC 1440 · No Item Name Available
Verified by PartsTable
NSN 1440-00-063-4394 — this item is cataloged by the U.S. Government under National Stock Number 1440-00-063-4394. Primary manufacturer part number: 20633.
Features
  • Spool — FSC 1440
  • Reference Number Differentiating Characteristics: FLEET BALLISTIC MISSILE QUALITY,AS IDENTIFIED BY QUALITY CONTROL NO. POSO500892
  • 2 verified cross-references
  • Primary manufacturer: Airline Hydraulics Corp Dba Airline Hydraulics Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Spool, cataloged under National Stock Number 1440-00-063-4394, is classified within Federal Supply Class 1440 (No Item Name Available) of the Guided Missiles group. The primary manufacturer of record is Airline Hydraulics Corp Dba Airline Hydraulics Corp. Government technical data includes 1 verified specification, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1440-00-063-4394
Primary Part Number20633
Item NameSpool
FSC / FSG1440 / 14 — No Item Name Available
ManufacturerAirline Hydraulics Corp Dba Airline Hydraulics Corp
StatusACTIVE
Reference Number Differentiating CharacteristicsFLEET BALLISTIC MISSILE QUALITY,AS IDENTIFIED BY QUALITY CONTROL NO. POSO500892
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-224-4027 INTERCHANGEABLE
Drill,twist
5340-00-322-06294919998 INTERCHANGEABLE
Damper,shimmy
Cummins Inc.
1660-00-942-855920633 INTERCHANGEABLE
Ring,orific,manifol
Avox Systems Inc Dba Avox Systems Inc
5998-01-334-548820633 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
6515-01-503-535120633 INTERCHANGEABLE
Cover,probe,thermometer
Tidi Products Llc
4730-01-516-4819C20633 INTERCHANGEABLE
Elbow,hose
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
20633 Airline Hydraulics Corp Dba Airline Hydraulics Corp (USA)
20633 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5133-00-224-4027INTERCHANGEABLE
DRILL,TWIST
5340-00-322-0629INTERCHANGEABLE
DAMPER,SHIMMY
4919998
1660-00-942-8559INTERCHANGEABLE
RING,ORIFIC,MANIFOL
20633
5998-01-334-5488INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
20633
6515-01-503-5351INTERCHANGEABLE
COVER,PROBE,THERMOMETER
20633
4730-01-516-4819INTERCHANGEABLE
ELBOW,HOSE
C20633

Frequently Asked Questions

What is NSN 1440-00-063-4394?

NSN 1440-00-063-4394 is a Spool, manufactured by Airline Hydraulics Corp Dba Airline Hydraulics Corp, classified under FSC 1440 (No Item Name Available). Status: active.

What are the part numbers for NSN 1440-00-063-4394?

NSN 1440-00-063-4394 has 2 cross-referenced part numbers: 20633 (Airline Hydraulics Corp Dba Airline Hydraulics Corp), 20633 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 1440-00-063-4394?

There are 6 known substitutes for 1440-00-063-4394: 5133-00-224-4027, 5340-00-322-0629, 1660-00-942-8559 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20633?

Key specifications for 20633: Reference Number Differentiating Characteristics: FLEET BALLISTIC MISSILE QUALITY,AS IDENTIFIED BY QUALITY CONTROL NO. POSO500892. 1 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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