PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60-677Cup,piston Sealing

Triumph Thermal Systems - Maryland, Inc. · NSN 6660-00-943-2641 · FSC 6660 · No Item Name Available
Verified by PartsTable
NSN 6660-00-943-2641 — this item is cataloged by the U.S. Government under National Stock Number 6660-00-943-2641. Primary manufacturer part number: 60-677.
Features
  • Cup,piston Sealing — FSC 6660
  • 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,piston Sealing, cataloged under National Stock Number 6660-00-943-2641, is classified within Federal Supply Class 6660 (No Item Name Available) of the Instruments and Laboratory Equipment 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCup,piston Sealing
FSC / FSG6660 — No Item Name Available (FSG 66)
ManufacturersTriumph Thermal Systems - Maryland, Inc. (CAGE 01359)
Technical Specifications
ParameterValue
NSN6660-00-943-2641
Primary Part Number60-677
Item NameCup,piston Sealing
FSC / FSG6660 / 66 — No Item Name Available
ManufacturerTriumph Thermal Systems - Maryland, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5133-00-241-594434677 INTERCHANGEABLE
Drill,twist
Viking Drill and Tool Inc
5355-00-354-253860677 INTERCHANGEABLE
Knob
John Deer Consumer Products Inc
1560-00-787-388960677 INTERCHANGEABLE
Cable Assembly,spec
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
5342-00-987-2617SM-B-342389 INTERCHANGEABLE
Clamp,tie
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5365-01-051-4276 INTERCHANGEABLE
Insulator
5310-01-178-146860677 INTERCHANGEABLE
Washer
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5930-01-665-565860677 INTERCHANGEABLE
Switch,trigger
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
60-677 PRIMARY Triumph Thermal Systems - Maryland, Inc. (USA)
Related Parts
5133-00-241-5944INTERCHANGEABLE
DRILL,TWIST
34677
5355-00-354-2538INTERCHANGEABLE
KNOB
60677
1560-00-787-3889INTERCHANGEABLE
CABLE ASSEMBLY,SPEC
60677
5342-00-987-2617INTERCHANGEABLE
CLAMP,TIE
SM-B-342389
5365-01-051-4276INTERCHANGEABLE
INSULATOR
5310-01-178-1468INTERCHANGEABLE
WASHER
60677
5930-01-665-5658INTERCHANGEABLE
SWITCH,TRIGGER
60677

Frequently Asked Questions

What is NSN 6660-00-943-2641?

NSN 6660-00-943-2641 is a Cup,piston Sealing, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 6660 (No Item Name Available). Status: active.

What are the part numbers for NSN 6660-00-943-2641?

NSN 6660-00-943-2641 has 1 cross-referenced part number: 60-677 (Triumph Thermal Systems - Maryland, Inc.).

What NSN replaces 6660-00-943-2641?

There are 7 known substitutes for 6660-00-943-2641: 5133-00-241-5944, 5355-00-354-2538, 1560-00-787-3889 and 4 more. Verify interchangeability with system specifications before substitution.

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