PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7744Valve Extension,tire

Schrader-Bridgeport International Inc Dba Schrader Automotive · NSN 2640-00-242-7617 · FSC 2640 · No Item Name Available
Verified by PartsTable
NSN 2640-00-242-7617 — this item is cataloged by the U.S. Government under National Stock Number 2640-00-242-7617. Primary manufacturer part number: 7744.
Features
  • Valve Extension,tire — FSC 2640
  • Bore Size Designation: STANDARD
  • Internal Thread Size: 0.311-32
  • Tire Valve Designation: TR-EXT-7
  • Item Type Category: ACCESSORY
  • Style Designator: EXTENSION, STRAIGHT
  • Accessory Type: VALVE
  • External Thread Size: 0.302-32
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Extension,tire, cataloged under National Stock Number 2640-00-242-7617, 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 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2640-00-242-7617
Primary Part Number7744
Item NameValve Extension,tire
FSC / FSG2640 / 26 — No Item Name Available
ManufacturerSchrader-Bridgeport International Inc Dba Schrader Automotive
StatusCANCELLED
Bore Size DesignationSTANDARD
Internal Thread Size0.311-32
Tire Valve DesignationTR-EXT-7
Item Type CategoryACCESSORY
Style DesignatorEXTENSION, STRAIGHT
Accessory TypeVALVE
External Thread Size0.302-32
Furnished Items and QuantityCAP VALVE-1,CORE EXTENSION-1
Valve Core AccommodationNOT INCLUDED
Design TypeRIGID-METAL
Effective Length1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-004-80787744 INTERCHANGEABLE
Reducer,boss
Titan Distribution Inc Dba Titan Tire
3110-00-100-0206339 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5985-00-156-0752339 INTERCHANGEABLE
Coupler,directional
Omega Laboratories Inc
6625-00-232-108610-028 INTERCHANGEABLE
Meter,electrical Frequency
Rogerson Kratos
9390-00-250-8682 INTERCHANGEABLE
Nonmetallic Angle
7530-00-262-8627339 INTERCHANGEABLE
Paper,graph
Dietzgen Corp
5340-00-429-7230 INTERCHANGEABLE
Grip,handle
5940-00-501-940317803-0003 INTERCHANGEABLE
Terminal,lug
Honeywell International Inc Dba Honeywell
6135-00-557-8874119-104 INTERCHANGEABLE
Battery,nonrechargeable
Gow-Mac Instrument Co Div Gow-Mac Instrument Company
6810-00-682-8183 INTERCHANGEABLE
Glycerol
Cross-Reference Index
Part NumberManufacturer
7744 PRIMARY Schrader-Bridgeport International Inc Dba Schrader Automotive (USA)
442 Milton Industries, Inc (USA)
11739009 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
339 Eaton Corporation Dba Air Controls Division Div Air Controls Division (USA)
11739009 Schrader-Bridgeport International Inc Dba Schrader Automotive (USA)
EXT-7 The Tire & Rim Association Inc (USA)
7744 Schrader J Co (USA)
171 National Distillers and Chemical Corp Bridgeport Brass Co Div (USA)
171 Bridgeport-Piedmont Mfg Co Div of Bridge Products Inc (USA)
7744 Scovill Inc Schrader Bellows Div (USA)
Related Parts
4730-00-004-8078INTERCHANGEABLE
REDUCER,BOSS
7744
3110-00-100-0206INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
339
5985-00-156-0752INTERCHANGEABLE
COUPLER,DIRECTIONAL
339
6625-00-232-1086INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
10-028
9390-00-250-8682INTERCHANGEABLE
NONMETALLIC ANGLE
7530-00-262-8627INTERCHANGEABLE
PAPER,GRAPH
339
5340-00-429-7230INTERCHANGEABLE
GRIP,HANDLE
5940-00-501-9403INTERCHANGEABLE
TERMINAL,LUG
17803-0003
6135-00-557-8874INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
119-104
6810-00-682-8183INTERCHANGEABLE
GLYCEROL
5965-00-973-9974INTERCHANGEABLE
MICROPHONE,CARBON
104C
5962-01-088-3862INTERCHANGEABLE
MICROCIRCUIT,LINEAR

Frequently Asked Questions

What is NSN 2640-00-242-7617?

NSN 2640-00-242-7617 is a Valve Extension,tire, manufactured by Schrader-Bridgeport International Inc Dba Schrader Automotive, classified under FSC 2640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2640-00-242-7617?

NSN 2640-00-242-7617 has 10 cross-referenced part numbers: 7744 (Schrader-Bridgeport International Inc Dba Schrader Automotive), 442 (Milton Industries, Inc), 11739009 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 339 (Eaton Corporation Dba Air Controls Division Div Air Controls Division), 11739009 (Schrader-Bridgeport International Inc Dba Schrader Automotive) and 5 more.

What NSN replaces 2640-00-242-7617?

There are 12 known substitutes for 2640-00-242-7617: 4730-00-004-8078, 3110-00-100-0206, 5985-00-156-0752 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7744?

Key specifications for 7744: Bore Size Designation: STANDARD; Internal Thread Size: 0.311-32; Tire Valve Designation: TR-EXT-7; Item Type Category: ACCESSORY. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2640-00-242-7617 still in active supply?

NSN 2640-00-242-7617 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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