PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55366Cap,valve

Woodward Hrt Inc · NSN 1650-00-887-6827 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-887-6827 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-887-6827. Primary manufacturer part number: 55366.
Features
  • Cap,valve — FSC 1650
  • 1 verified cross-reference
  • Primary manufacturer: Woodward Hrt Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cap,valve, cataloged under National Stock Number 1650-00-887-6827, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Woodward Hrt Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-887-6827
Primary Part Number55366
Item NameCap,valve
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerWoodward Hrt Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-685-240655366 INTERCHANGEABLE
Nut,plain,hexagon
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5935-01-092-9402429282 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Fluke Corp
6680-01-671-45495536-6 INTERCHANGEABLE
Gage Rod-Cap,liquid Level
Wisco Products Inc
Cross-Reference Index
Part NumberManufacturer
55366 PRIMARY Woodward Hrt Inc (USA)
Related Parts
5310-00-685-2406INTERCHANGEABLE
NUT,PLAIN,HEXAGON
55366
5935-01-092-9402INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
429282
6680-01-671-4549INTERCHANGEABLE
GAGE ROD-CAP,LIQUID LEVEL
5536-6

Frequently Asked Questions

What is NSN 1650-00-887-6827?

NSN 1650-00-887-6827 is a Cap,valve, manufactured by Woodward Hrt Inc, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-887-6827?

NSN 1650-00-887-6827 has 1 cross-referenced part number: 55366 (Woodward Hrt Inc).

What NSN replaces 1650-00-887-6827?

There are 3 known substitutes for 1650-00-887-6827: 5310-00-685-2406, 5935-01-092-9402, 6680-01-671-4549. Verify interchangeability with system specifications before substitution.

What are the specifications of 55366?

Key specifications for 55366: Special Features: CRES,PASSIVATED,0.727 IN. LG,1.468 IN. W,0.968 IN. H,FLANGE SHAPE,FOUR 0.172 TO 0.177 IN. DIA MTG HOLES LOCATED ATCORNERS OF FLANGE 0.968 BY 1.188 IN. C TO C IN. 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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