PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21303Sleeve and Shuttle Assembly

E-Systems Inc Montek Div Fluid Controls Opns · NSN 1630-00-865-0548 · FSC 1630 · No Item Name Available
Verified by PartsTable
NSN 1630-00-865-0548 — this item is cataloged by the U.S. Government under National Stock Number 1630-00-865-0548. Primary manufacturer part number: 21303.
Features
  • Sleeve and Shuttle Assembly — FSC 1630
  • General Characteristics Item Description: ASSEMBLY CONTAINS 1 EA SLEEVE 21304 AND 1 EA SHUTTLE 21305; SPHERICAL END OF SHUTTLE AND X MARK ON SLEEVE ON THE SAME SIDE FOR CORRECT INSTALLATION
  • 4 verified cross-references
  • Primary manufacturer: E-Systems Inc Montek Div Fluid Controls Opns
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sleeve and Shuttle Assembly, cataloged under National Stock Number 1630-00-865-0548, is classified within Federal Supply Class 1630 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is E-Systems Inc Montek Div Fluid Controls Opns. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1630-00-865-0548
Primary Part Number21303
Item NameSleeve and Shuttle Assembly
FSC / FSG1630 / 16 — No Item Name Available
ManufacturerE-Systems Inc Montek Div Fluid Controls Opns
StatusACTIVE
General Characteristics Item DescriptionASSEMBLY CONTAINS 1 EA SLEEVE 21304 AND 1 EA SHUTTLE 21305; SPHERICAL END OF SHUTTLE AND X MARK ON SLEEVE ON THE SAME SIDE FOR CORRECT INSTALLATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-010-0653HRP43M INTERCHANGEABLE
Socket,plug-in Electronic Compon
Armel De Llc Dba Armel Electronics
5999-00-863-3730 INTERCHANGEABLE
Contact Assembly,electrical
3460-01-129-640321303 INTERCHANGEABLE
Clamp,machine,hold Down
Jergens Inc Div Tooling Components Division
4320-01-194-832821303 INTERCHANGEABLE
Trunnion,pump
Parker Hannifin Corporation Div Hydraulic Systems Division
5940-01-204-548321303 INTERCHANGEABLE
Terminal Board
Te Connectivity Corporation
3040-01-449-144021303-1008-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-449-147121303-1009-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-449-158421303-1006-1 INTERCHANGEABLE
Guide,valve Stem
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-449-158921303-1012-1 INTERCHANGEABLE
Cap,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-449-159121303-1011-1 INTERCHANGEABLE
Cap,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21303 E-Systems Inc Montek Div Fluid Controls Opns (USA)
21303 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
21303 Moog Inc (USA)
21303 Mid-America Aerotech, Llc (USA)
Related Parts
5935-00-010-0653INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
HRP43M
5999-00-863-3730INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
3460-01-129-6403INTERCHANGEABLE
CLAMP,MACHINE,HOLD DOWN
21303
4320-01-194-8328INTERCHANGEABLE
TRUNNION,PUMP
21303
5940-01-204-5483INTERCHANGEABLE
TERMINAL BOARD
21303
3040-01-449-1440INTERCHANGEABLE
SHAFT,SHOULDERED
21303-1008-1
3040-01-449-1471INTERCHANGEABLE
SHAFT,SHOULDERED
21303-1009-1
4810-01-449-1584INTERCHANGEABLE
GUIDE,VALVE STEM
21303-1006-1
4810-01-449-1589INTERCHANGEABLE
CAP,VALVE
21303-1012-1
4810-01-449-1591INTERCHANGEABLE
CAP,VALVE
21303-1011-1
6110-01-539-1090INTERCHANGEABLE
DISTRIBUTION BOX
2532
6110-01-612-6640INTERCHANGEABLE
ISOLATOR BATTERY
2-130-3

Frequently Asked Questions

What is NSN 1630-00-865-0548?

NSN 1630-00-865-0548 is a Sleeve and Shuttle Assembly, manufactured by E-Systems Inc Montek Div Fluid Controls Opns, classified under FSC 1630 (No Item Name Available). Status: active.

What are the part numbers for NSN 1630-00-865-0548?

NSN 1630-00-865-0548 has 4 cross-referenced part numbers: 21303 (E-Systems Inc Montek Div Fluid Controls Opns), 21303 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 21303 (Moog Inc), 21303 (Mid-America Aerotech, Llc).

What NSN replaces 1630-00-865-0548?

There are 12 known substitutes for 1630-00-865-0548: 5935-00-010-0653, 5999-00-863-3730, 3460-01-129-6403 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21303?

Key specifications for 21303: General Characteristics Item Description: ASSEMBLY CONTAINS 1 EA SLEEVE 21304 AND 1 EA SHUTTLE 21305; SPHERICAL END OF SHUTTLE AND X MARK ON SLEEVE ON THE SAME SIDE FOR CORRECT INSTALLATION. 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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