PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

349Valve Extension,tire

Dill Air Controls Products Llc Dba Dill Air Controls Products Llc · NSN 2640-00-250-2474 · FSC 2640 · No Item Name Available
Verified by PartsTable
NSN 2640-00-250-2474 — this item is cataloged by the U.S. Government under National Stock Number 2640-00-250-2474. Primary manufacturer part number: 349.
Features
  • Valve Extension,tire — FSC 2640
  • Bore Size Designation: STANDARD
  • Style Designator: EXTENSION, STRAIGHT
  • Item Type Category: ACCESSORY
  • Accessory Type: VALVE
  • Valve Core Accommodation: NOT INCLUDED
  • External Thread Size: 0.302-32
  • Effective Length: 6.062 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Extension,tire, cataloged under National Stock Number 2640-00-250-2474, is classified within Federal Supply Class 2640 (No Item Name Available) of the Tires and Tubes group. The primary manufacturer of record is Dill Air Controls Products Llc Dba Dill Air Controls Products Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2640-00-250-2474
Primary Part Number349
Item NameValve Extension,tire
FSC / FSG2640 / 26 — No Item Name Available
ManufacturerDill Air Controls Products Llc Dba Dill Air Controls Products Llc
StatusCANCELLED
Bore Size DesignationSTANDARD
Style DesignatorEXTENSION, STRAIGHT
Item Type CategoryACCESSORY
Accessory TypeVALVE
Valve Core AccommodationNOT INCLUDED
External Thread Size0.302-32
Effective Length6.062 INCHES NOMINAL IN
Internal Thread Size0.302-32
Design TypeRIGID-METAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4930-00-125-33947383 INTERCHANGEABLE
Oiler,bearing Bushing
Telemechanics Inc
5975-00-152-1148 INTERCHANGEABLE
Box Connector,electrical
3110-00-156-3461202KLD4 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3020-00-361-23797383 INTERCHANGEABLE
Gear,bevel
Kearfott Corp Div Kearfott Corporation
5331-00-542-142012130-5 INTERCHANGEABLE
O-Ring
Solar Turbines Incorporated Dba Solar Turbines Incorporated
1680-00-561-6954A7383 INTERCHANGEABLE
Adapter,spur Actuat
Aerocontrolex Group, Inc. Div Talley Actuators
2990-00-860-2453T-7383 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5998-01-087-07057383 INTERCHANGEABLE
Printed Circuit Board
Drs Signal Solutions, Inc.
5360-01-177-79597383 INTERCHANGEABLE
Spring
Eaton Corporation Div Eaton Fluid Power
4310-01-318-24987383 INTERCHANGEABLE
Cylinder Head,compressor
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Cross-Reference Index
Part NumberManufacturer
10700054 Fwd Seagrave Holdings Lp (USA)
7610295 Us Army Aviation and Missile Command (USA)
7610295 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
349 Eaton Corporation Dba Air Controls Division Div Air Controls Division (USA)
349 PRIMARY Dill Air Controls Products Llc Dba Dill Air Controls Products Llc (USA)
7383 Scovill Inc Schrader Bellows Div (USA)
7383 PRIMARY Schrader-Bridgeport International Inc Dba Schrader Automotive (USA)
Related Parts
4930-00-125-3394INTERCHANGEABLE
OILER,BEARING BUSHING
7383
5975-00-152-1148INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
3110-00-156-3461INTERCHANGEABLE
BEARING,BALL,ANNULAR
202KLD4
3020-00-361-2379INTERCHANGEABLE
GEAR,BEVEL
7383
5331-00-542-1420INTERCHANGEABLE
O-RING
12130-5
1680-00-561-6954INTERCHANGEABLE
ADAPTER,SPUR ACTUAT
A7383
2990-00-860-2453INTERCHANGEABLE
MUFFLER,EXHAUST
T-7383
5998-01-087-0705INTERCHANGEABLE
PRINTED CIRCUIT BOARD
7383
5360-01-177-7959INTERCHANGEABLE
SPRING
7383
4310-01-318-2498INTERCHANGEABLE
CYLINDER HEAD,COMPRESSOR
7383

Frequently Asked Questions

What is NSN 2640-00-250-2474?

NSN 2640-00-250-2474 is a Valve Extension,tire, manufactured by Dill Air Controls Products Llc Dba Dill Air Controls Products Llc, classified under FSC 2640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2640-00-250-2474?

NSN 2640-00-250-2474 has 7 cross-referenced part numbers: 10700054 (Fwd Seagrave Holdings Lp), 7610295 (Us Army Aviation and Missile Command), 7610295 (U S Army Tank Automotive Command Amsta-Im-Mm), 349 (Eaton Corporation Dba Air Controls Division Div Air Controls Division), 349 (Dill Air Controls Products Llc Dba Dill Air Controls Products Llc) and 2 more.

What NSN replaces 2640-00-250-2474?

There are 10 known substitutes for 2640-00-250-2474: 4930-00-125-3394, 5975-00-152-1148, 3110-00-156-3461 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 349?

Key specifications for 349: Bore Size Designation: STANDARD; Style Designator: EXTENSION, STRAIGHT; Item Type Category: ACCESSORY; Accessory Type: VALVE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2640-00-250-2474 still in active supply?

NSN 2640-00-250-2474 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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