PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25964Thread Piece,union

Triumph Engine Control Systems Llc · NSN 4730-01-641-4683 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-641-4683 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-641-4683. Primary manufacturer part number: 25964.
Features
  • Thread Piece,union — FSC 4730
  • 1 verified cross-reference
  • Primary manufacturer: Triumph Engine Control Systems Llc
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Thread Piece,union, cataloged under National Stock Number 4730-01-641-4683, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Triumph Engine Control Systems Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-641-4683
Primary Part Number25964
Item NameThread Piece,union
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5998-01-079-157526568 INTERCHANGEABLE
Circuit Card Assembly
Cooper Crouse-Hinds Llc
6515-01-473-0981259.64 INTERCHANGEABLE
Bolt Locking
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
3120-01-691-241125964 INTERCHANGEABLE
Bearing,washer,thrust
Tulsa Winch, Inc.
1560-01-715-97772-5964-5 INTERCHANGEABLE
Web,structural Component,aircraf
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
25964 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
5998-01-079-1575INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
26568
6515-01-473-0981INTERCHANGEABLE
BOLT LOCKING
259.64
3120-01-691-2411INTERCHANGEABLE
BEARING,WASHER,THRUST
25964
1560-01-715-9777INTERCHANGEABLE
WEB,STRUCTURAL COMPONENT,AIRCRAF
2-5964-5

Frequently Asked Questions

What is NSN 4730-01-641-4683?

NSN 4730-01-641-4683 is a Thread Piece,union, manufactured by Triumph Engine Control Systems Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-641-4683?

NSN 4730-01-641-4683 has 1 cross-referenced part number: 25964 (Triumph Engine Control Systems Llc).

What NSN replaces 4730-01-641-4683?

There are 4 known substitutes for 4730-01-641-4683: 5998-01-079-1575, 6515-01-473-0981, 3120-01-691-2411 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25964?

Key specifications for 25964: End Item Identification: TANK - FUEL DRAIN AND EJECTOR PUMP; Part Name Assigned by Controlling Agency: ADAPTOR. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com