NSN 1610-00-055-7633 · NIIN 000557633 · Part number 321891-1
Hamilton Sundstrand Corporation Dba Collins Aerospace · FSC 1610 — Aircraft Propellers and Components · FSG 16 — Aircraft Components and Accessories · CAGE 73030
Government record, cited
NSN 1610-00-055-7633 — this item is cataloged by the U.S. Government under National Stock Number 1610-00-055-7633. Manufacturer of record part number: 321891-1.
Also searched as1610-00-055-7633 ·
1610000557633 ·
NIIN 000557633 ·
00-055-7633 ·
FSC 1610 Aircraft Propellers and Components · CAGE 73030 · 321891-1
General Characteristics Item Description: SOLENOID ENERGIZED WITH 18VOLTS,100P.S.I. TO PORT,SECOND PORT BLOCKEDTO CHECK LEAKAGE THRU DISC VALVE
1 manufacturer part number on file
Manufacturer of record: Hamilton Sundstrand Corporation Dba Collins Aerospace
Identification
NSN: 1610-00-055-7633
NIIN: 000557633
FSC: 1610 — Aircraft Propellers and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 321891-1
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
General Description
The Valve Assembly, cataloged under National Stock Number 1610-00-055-7633, is classified within Federal Supply Class 1610 (Aircraft Propellers and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1610-00-055-7633
Primary Part Number
321891-1
Item Name
Valve Assembly
FSC / FSG
1610 / 16 — Aircraft Propellers and Components
Manufacturer
Hamilton Sundstrand Corporation Dba Collins Aerospace
Status
ACTIVE
General Characteristics Item Description
SOLENOID ENERGIZED WITH 18VOLTS,100P.S.I. TO PORT,SECOND PORT BLOCKEDTO CHECK LEAKAGE THRU DISC VALVE
Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
No interchangeability data on file.
Other items in FSC 1610 — Aircraft Propellers and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1610-00-001-4129
1610-00-001-4129 · Item name not on file
1610-00-001-6444
1610-00-001-6444 · Item name not on file
1610-00-003-1552
1610-00-003-1552 · Item name not on file
1610-00-005-8685
HOUSING ASSEMBLY,PUMP
1610-00-006-1409
1610-00-006-1409 · Item name not on file
1610-00-006-1410
1610-00-006-1410 · Item name not on file
1610-00-009-6831
STOP
1610-00-009-6832
HOUSING
Frequently Asked Questions
What is NSN 1610-00-055-7633?
NSN 1610-00-055-7633 is a Valve Assembly, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1610, Aircraft Propellers and Components. Status: active.
What part numbers are listed for NSN 1610-00-055-7633?
NSN 1610-00-055-7633 has 1 manufacturer part number on file: 321891-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
What are the specifications of 321891-1?
Key specifications for 321891-1: General Characteristics Item Description: SOLENOID ENERGIZED WITH 18VOLTS,100P.S.I. TO PORT,SECOND PORT BLOCKEDTO CHECK LEAKAGE THRU DISC VALVE. 1 specification is documented in the U.S. Government catalog.
Is NSN 1610-00-055-7633 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.