PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2640-611PC32 1/4PSTailpiece,union

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4730-01-096-3492 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-096-3492 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-096-3492. Primary manufacturer part number: 2640-611PC32 1/4PS.
Features
  • Tailpiece,union — FSC 4730
  • Seat Type: STRAIGHT FACE
  • Nominal Pipe Size Designation: 0.250 INCHES IN
  • End Connection Type: BRAZED
  • 7 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Tailpiece,union, cataloged under National Stock Number 4730-01-096-3492, 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 Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-096-3492
Primary Part Number2640-611PC32 1/4PS
Item NameTailpiece,union
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Seat TypeSTRAIGHT FACE
Nominal Pipe Size Designation0.250 INCHES IN
End Connection TypeBRAZED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-01-091-1306845-2050997-H INTERCHANGEABLE
Valve,ball
Hunt Valve Company, Inc.
4820-01-107-70012640-611 ASSYB PIECE 13 INTERCHANGEABLE
Retainer,seat,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-144-32152640-611 ASSY B LOCK A-C INTERCHANGEABLE
Valve,ball
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-145-09692640-611ASSYF INTERCHANGEABLE
Valve,ball
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-155-50292640-611 ASSYE INTERCHANGEABLE
Valve,ball
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-213-80112640-611 1/2IN INTERCHANGEABLE
Valve,ball
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-217-45712640-611 ASSY H,HY LESS TAILPC INTERCHANGEABLE
Valve,ball
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-220-55402640-611 ASSYD-DY INTERCHANGEABLE
Valve,ball
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-220-55412640-611 ASSEMBLY G INTERCHANGEABLE
Valve,ball
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
2050997 Naval Ship Systems Command (USA)
2640-611 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2640-611PIECE32 1-4IPS Electric Boat Corporation Div General Dynamics Electric Boat (USA)
SS845-2050997 Naval Ship Systems Command (USA)
2640-611PC32 1/4PS PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
SS845-2050997ASSYB BC32 1-4IN Naval Ship Systems Command (USA)
2050997 ASSY B PRIMARY Naval Ship Systems Command (USA)
Related Parts
4820-01-091-1306INTERCHANGEABLE
VALVE,BALL
845-2050997-H
4820-01-107-7001INTERCHANGEABLE
RETAINER,SEAT,VALVE
2640-611 ASSYB PIECE 13
4820-01-144-3215INTERCHANGEABLE
VALVE,BALL
2640-611 ASSY B LOCK A-C
4820-01-145-0969INTERCHANGEABLE
VALVE,BALL
2640-611ASSYF
4820-01-155-5029INTERCHANGEABLE
VALVE,BALL
2640-611 ASSYE
4820-01-213-8011INTERCHANGEABLE
VALVE,BALL
2640-611 1/2IN
4820-01-217-4571INTERCHANGEABLE
VALVE,BALL
2640-611 ASSY H,HY LESS TAILPC
4820-01-220-5540INTERCHANGEABLE
VALVE,BALL
2640-611 ASSYD-DY
4820-01-220-5541INTERCHANGEABLE
VALVE,BALL
2640-611 ASSEMBLY G

Frequently Asked Questions

What is NSN 4730-01-096-3492?

NSN 4730-01-096-3492 is a Tailpiece,union, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-096-3492?

NSN 4730-01-096-3492 has 7 cross-referenced part numbers: 2050997 (Naval Ship Systems Command), 2640-611 (Electric Boat Corporation Div General Dynamics Electric Boat), 2640-611PIECE32 1-4IPS (Electric Boat Corporation Div General Dynamics Electric Boat), SS845-2050997 (Naval Ship Systems Command), 2640-611PC32 1/4PS (Electric Boat Corporation Div General Dynamics Electric Boat) and 2 more.

What NSN replaces 4730-01-096-3492?

There are 9 known substitutes for 4730-01-096-3492: 4820-01-091-1306, 4820-01-107-7001, 4820-01-144-3215 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2640-611PC32 1/4PS?

Key specifications for 2640-611PC32 1/4PS: Seat Type: STRAIGHT FACE; Nominal Pipe Size Designation: 0.250 INCHES IN; End Connection Type: BRAZED. 3 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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