PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3904Valve Extension,tire

Schrader-Bridgeport International Inc Dba Schrader Automotive · NSN 2640-00-204-2279 · FSC 2640 · No Item Name Available
Verified by PartsTable
NSN 2640-00-204-2279 — this item is cataloged by the U.S. Government under National Stock Number 2640-00-204-2279. Primary manufacturer part number: 3904.
Features
  • Valve Extension,tire — FSC 2640
  • Effective Length: 5.000 INCHES NOMINAL IN
  • Style Designator: EXTENSION, STRAIGHT
  • Accessory Type: VALVE
  • Item Type Category: ACCESSORY
  • Size Designation: OVERSIZE
  • Internal Thread Size: 0.492-26
  • Valve Core Accommodation: INCLUDED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Extension,tire, cataloged under National Stock Number 2640-00-204-2279, is classified within Federal Supply Class 2640 (No Item Name Available) of the Tires and Tubes group. The primary manufacturer of record is Schrader-Bridgeport International Inc Dba Schrader Automotive. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2640-00-204-2279
Primary Part Number3904
Item NameValve Extension,tire
FSC / FSG2640 / 26 — No Item Name Available
ManufacturerSchrader-Bridgeport International Inc Dba Schrader Automotive
StatusACTIVE
Effective Length5.000 INCHES NOMINAL IN
Style DesignatorEXTENSION, STRAIGHT
Accessory TypeVALVE
Item Type CategoryACCESSORY
Size DesignationOVERSIZE
Internal Thread Size0.492-26
Valve Core AccommodationINCLUDED
Furnished Items and QuantityHEX NUT,2
External Thread Size0.482-26
Bore Size DesignationOVERSIZE
Design TypeRIGID-METAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6145-00-004-35198675 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire and Cable Co Wire and Cable Office
5331-00-020-02032000195 INTERCHANGEABLE
O-Ring
General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp
5340-00-065-81263904 INTERCHANGEABLE
Clamp,loop
Abb Installation Products Inc
6250-00-158-89004300 INTERCHANGEABLE
Lampholder
Westinghouse Electric Corp
2915-00-166-6581 INTERCHANGEABLE
Plate,fuel Pump
5945-00-295-32051145469 INTERCHANGEABLE
Relay,electromagnetic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4510-00-762-1618 INTERCHANGEABLE
Coupling,slip Joint
5310-00-871-683435107093 INTERCHANGEABLE
Nut,wheel
Clark Equipment Co Div Doosan Infracore Portable Power
5310-00-971-79884603-7 INTERCHANGEABLE
Nut,wheel
Pdi Ground Support Systems, Inc.
6685-01-063-05594700 INTERCHANGEABLE
Controller,humidity,alarm
Howell Laboratories Inc Dba Howell Laboratories Inc
Cross-Reference Index
Part NumberManufacturer
WX-2005 Dill Air Controls Products Llc Dba Dill Air Controls Products Llc (USA)
292384R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
RM220A36 Heil Environmental Industries (USA)
248RM22A36 Chief of Engineers Dept of Army (USA)
8966-5 Eaton Corporation Dba Air Controls Division Div Air Controls Division (USA)
3904 PRIMARY Schrader-Bridgeport International Inc Dba Schrader Automotive (USA)
3904 Scovill Inc Schrader Bellows Div (USA)
248RM220A36 PRIMARY Chief of Engineers Dept of Army (USA)
867-5 PRIMARY Haltec Corp (USA)
Related Parts
6145-00-004-3519INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8675
5331-00-020-0203INTERCHANGEABLE
O-RING
2000195
5340-00-065-8126INTERCHANGEABLE
CLAMP,LOOP
3904
6250-00-158-8900INTERCHANGEABLE
LAMPHOLDER
4300
2915-00-166-6581INTERCHANGEABLE
PLATE,FUEL PUMP
5945-00-295-3205INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1145469
4510-00-762-1618INTERCHANGEABLE
COUPLING,SLIP JOINT
5310-00-871-6834INTERCHANGEABLE
NUT,WHEEL
35107093
5310-00-971-7988INTERCHANGEABLE
NUT,WHEEL
4603-7
6685-01-063-0559INTERCHANGEABLE
CONTROLLER,HUMIDITY,ALARM
4700
2925-01-104-8163INTERCHANGEABLE
SLEEVE
3904
5970-01-117-9438INTERCHANGEABLE
INSULATOR,BUSHING
8675

Frequently Asked Questions

What is NSN 2640-00-204-2279?

NSN 2640-00-204-2279 is a Valve Extension,tire, manufactured by Schrader-Bridgeport International Inc Dba Schrader Automotive, classified under FSC 2640 (No Item Name Available). Status: active.

What are the part numbers for NSN 2640-00-204-2279?

NSN 2640-00-204-2279 has 9 cross-referenced part numbers: WX-2005 (Dill Air Controls Products Llc Dba Dill Air Controls Products Llc), 292384R91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), RM220A36 (Heil Environmental Industries), 248RM22A36 (Chief of Engineers Dept of Army), 8966-5 (Eaton Corporation Dba Air Controls Division Div Air Controls Division) and 4 more.

What NSN replaces 2640-00-204-2279?

There are 12 known substitutes for 2640-00-204-2279: 6145-00-004-3519, 5331-00-020-0203, 5340-00-065-8126 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3904?

Key specifications for 3904: Effective Length: 5.000 INCHES NOMINAL IN; Style Designator: EXTENSION, STRAIGHT; Accessory Type: VALVE; Item Type Category: ACCESSORY. 12 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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