PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21908-1Parts Kit,valve

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 2995-00-471-3685 · FSC 2995 · No Item Name Available
Verified by PartsTable
NSN 2995-00-471-3685 — this item is cataloged by the U.S. Government under National Stock Number 2995-00-471-3685. Primary manufacturer part number: 21908-1.
Features
  • Parts Kit,valve — FSC 2995
  • 2 verified cross-references
  • Primary manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Parts Kit,valve, cataloged under National Stock Number 2995-00-471-3685, is classified within Federal Supply Class 2995 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameParts Kit,valve
FSC / FSG2995 — No Item Name Available (FSG 29)
ManufacturersHamilton Sundstrand Corporation Dba Collins Aerospace (CAGE 73030)
Technical Specifications
ParameterValue
NSN2995-00-471-3685
Primary Part Number21908-1
Item NameParts Kit,valve
FSC / FSG2995 / 29 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5930-00-548-5484206211 INTERCHANGEABLE
Switch,pressure
Wiggins Lift Co Inc
3040-00-690-0381 INTERCHANGEABLE
Shaft,shouldered
1660-00-942-850920621-1 INTERCHANGEABLE
Dial,mask Safety,ne
Avox Systems Inc Dba Avox Systems Inc
5935-00-979-5854VB8/1DV49-2 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
2930-01-070-910321908100 INTERCHANGEABLE
Impeller,pump,centrifugal
Cummins Inc.
5305-01-198-3317219081 INTERCHANGEABLE
Setscrew
Woodward, Inc.
5935-01-260-9669MS3452W20-6P INTERCHANGEABLE
Connector,receptacle,electrical
Sae International Dba Sae International
5930-01-345-2908206-211 INTERCHANGEABLE
Switch,slide
Cts Corp Electromechanical Div
Cross-Reference Index
Part NumberManufacturer
20621-1 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
21908-1 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5930-00-548-5484INTERCHANGEABLE
SWITCH,PRESSURE
206211
3040-00-690-0381INTERCHANGEABLE
SHAFT,SHOULDERED
1660-00-942-8509INTERCHANGEABLE
DIAL,MASK SAFETY,NE
20621-1
5935-00-979-5854INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
VB8/1DV49-2
2930-01-070-9103INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
21908100
5305-01-198-3317INTERCHANGEABLE
SETSCREW
219081
5935-01-260-9669INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
MS3452W20-6P
5930-01-345-2908INTERCHANGEABLE
SWITCH,SLIDE
206-211

Frequently Asked Questions

What is NSN 2995-00-471-3685?

NSN 2995-00-471-3685 is a Parts Kit,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 2995 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2995-00-471-3685?

NSN 2995-00-471-3685 has 2 cross-referenced part numbers: 20621-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 21908-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 2995-00-471-3685?

There are 8 known substitutes for 2995-00-471-3685: 5930-00-548-5484, 3040-00-690-0381, 1660-00-942-8509 and 5 more. Verify interchangeability with system specifications before substitution.

Is NSN 2995-00-471-3685 still in active supply?

NSN 2995-00-471-3685 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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