PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8668-8-5Hinge,valve

William E Williams Valve Corp · NSN 5342-01-272-7668 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-01-272-7668 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-272-7668. Primary manufacturer part number: 8668-8-5.
Features
  • Hinge,valve — FSC 5342
  • General Characteristics Item Description: COPPER ALLOY
  • 3 verified cross-references
  • Primary manufacturer: William E Williams Valve Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Hinge,valve, cataloged under National Stock Number 5342-01-272-7668, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is William E Williams Valve Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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.

Technical Specifications
ParameterValue
NSN5342-01-272-7668
Primary Part Number8668-8-5
Item NameHinge,valve
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
General Characteristics Item DescriptionCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-148-0087 INTERCHANGEABLE
Valve,check
5995-00-173-7465 INTERCHANGEABLE
Cable Assembly,power,electrical
6830-00-902-243010-8668 INTERCHANGEABLE
Dichlorodifluoromethane
Gc/waldom Inc
5340-01-230-1573 INTERCHANGEABLE
Holder,spring
6145-01-343-42818668 INTERCHANGEABLE
Braid,wire
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
2010-01-521-73648668 INTERCHANGEABLE
Housing Part,transmission,mechan
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
1095-01-523-19728668 INTERCHANGEABLE
Knife,combat
Ontario Knife Company, the Dba Ontario Knife Company
Cross-Reference Index
Part NumberManufacturer
8668 ITEM 5 8IN William E Williams Valve Corp (USA)
8668-8-5 PRIMARY William E Williams Valve Corp (USA)
8668 William E Williams Valve Corp (USA)
Related Parts
4820-00-148-0087INTERCHANGEABLE
VALVE,CHECK
5995-00-173-7465INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
6830-00-902-2430INTERCHANGEABLE
DICHLORODIFLUOROMETHANE
10-8668
5340-01-230-1573INTERCHANGEABLE
HOLDER,SPRING
6145-01-343-4281INTERCHANGEABLE
BRAID,WIRE
8668
2010-01-521-7364INTERCHANGEABLE
HOUSING PART,TRANSMISSION,MECHAN
8668
1095-01-523-1972INTERCHANGEABLE
KNIFE,COMBAT
8668

Frequently Asked Questions

What is NSN 5342-01-272-7668?

NSN 5342-01-272-7668 is a Hinge,valve, manufactured by William E Williams Valve Corp, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-01-272-7668?

NSN 5342-01-272-7668 has 3 cross-referenced part numbers: 8668 ITEM 5 8IN (William E Williams Valve Corp), 8668-8-5 (William E Williams Valve Corp), 8668 (William E Williams Valve Corp).

What NSN replaces 5342-01-272-7668?

There are 7 known substitutes for 5342-01-272-7668: 4820-00-148-0087, 5995-00-173-7465, 6830-00-902-2430 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8668-8-5?

Key specifications for 8668-8-5: General Characteristics Item Description: COPPER ALLOY. 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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