PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

550032Cup,sealing Piston

Triumph Thermal Systems - Maryland, Inc. · NSN 1055-00-113-2283 · FSC 1055 · No Item Name Available
Verified by PartsTable
NSN 1055-00-113-2283 — this item is cataloged by the U.S. Government under National Stock Number 1055-00-113-2283. Primary manufacturer part number: 550032.
Features
  • Cup,sealing Piston — FSC 1055
  • 1 verified cross-reference
  • Primary manufacturer: Triumph Thermal Systems - Maryland, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cup,sealing Piston, cataloged under National Stock Number 1055-00-113-2283, is classified within Federal Supply Class 1055 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Triumph Thermal Systems - Maryland, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCup,sealing Piston
FSC / FSG1055 — No Item Name Available (FSG 10)
ManufacturersTriumph Thermal Systems - Maryland, Inc. (CAGE 01359)
Technical Specifications
ParameterValue
NSN1055-00-113-2283
Primary Part Number550032
Item NameCup,sealing Piston
FSC / FSG1055 / 10 — No Item Name Available
ManufacturerTriumph Thermal Systems - Maryland, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5355-00-004-5252550032 INTERCHANGEABLE
Knob
Logimetrics Inc
5920-00-936-16547755616P017 INTERCHANGEABLE
Fuseholder,block
Lockheed Martin Corporation Div Rms
4730-01-183-3188 INTERCHANGEABLE
Packing Nut
5940-01-215-998455003-2 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
3120-01-335-5201550032 INTERCHANGEABLE
Bushing,sleeve
Dayton-Granger, Inc.
5945-01-517-9167550032 INTERCHANGEABLE
Flasher,thermal
E-One, Inc. Dba E-One Hamburg
Cross-Reference Index
Part NumberManufacturer
550032 PRIMARY Triumph Thermal Systems - Maryland, Inc. (USA)
Related Parts
5355-00-004-5252INTERCHANGEABLE
KNOB
550032
5920-00-936-1654INTERCHANGEABLE
FUSEHOLDER,BLOCK
7755616P017
4730-01-183-3188INTERCHANGEABLE
PACKING NUT
5940-01-215-9984INTERCHANGEABLE
TERMINAL,LUG
55003-2
3120-01-335-5201INTERCHANGEABLE
BUSHING,SLEEVE
550032
5945-01-517-9167INTERCHANGEABLE
FLASHER,THERMAL
550032

Frequently Asked Questions

What is NSN 1055-00-113-2283?

NSN 1055-00-113-2283 is a Cup,sealing Piston, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 1055 (No Item Name Available). Status: active.

What are the part numbers for NSN 1055-00-113-2283?

NSN 1055-00-113-2283 has 1 cross-referenced part number: 550032 (Triumph Thermal Systems - Maryland, Inc.).

What NSN replaces 1055-00-113-2283?

There are 6 known substitutes for 1055-00-113-2283: 5355-00-004-5252, 5920-00-936-1654, 4730-01-183-3188 and 3 more. Verify interchangeability with system specifications before substitution.

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