PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

721287Housing,control

Hamilton Sundstrand Corporation · NSN 4320-01-056-4787 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-056-4787 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-056-4787. Primary manufacturer part number: 721287.
Features
  • Housing,control — FSC 4320
  • General Characteristics Item Description: 2.750 IN. LG IN
  • 1 verified cross-reference
  • Primary manufacturer: Hamilton Sundstrand Corporation
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Housing,control, cataloged under National Stock Number 4320-01-056-4787, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Hamilton Sundstrand Corporation. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-056-4787
Primary Part Number721287
Item NameHousing,control
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation
StatusACTIVE
General Characteristics Item Description2.750 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-954-7081NAS1593-219 INTERCHANGEABLE
Packing,preformed
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
721287 PRIMARY Hamilton Sundstrand Corporation (USA)
Related Parts
5330-00-954-7081INTERCHANGEABLE
PACKING,PREFORMED
NAS1593-219

Frequently Asked Questions

What is NSN 4320-01-056-4787?

NSN 4320-01-056-4787 is a Housing,control, manufactured by Hamilton Sundstrand Corporation, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-056-4787?

NSN 4320-01-056-4787 has 1 cross-referenced part number: 721287 (Hamilton Sundstrand Corporation).

What NSN replaces 4320-01-056-4787?

There is 1 known substitute for 4320-01-056-4787: 5330-00-954-7081. Verify interchangeability with system specifications before substitution.

What are the specifications of 721287?

Key specifications for 721287: End Item Identification: AIRCRAFT MODEL S-3A A; General Characteristics Item Description: 2.750 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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