PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8971Cap,pneumatic Valve

Eaton Corporation Dba Air Controls Division Div Air Controls Division · NSN 2640-00-267-2982 · FSC 2640 · No Item Name Available
Verified by PartsTable
NSN 2640-00-267-2982 — this item is cataloged by the U.S. Government under National Stock Number 2640-00-267-2982. Primary manufacturer part number: 8971.
Features
  • Cap,pneumatic Valve — FSC 2640
  • Thread Series Designator: UNS INTERNAL
  • Thread Pitch Diameters: +0.4416 TO 0.4456 INCHES INTERNAL IN
  • Material: COPPER ALLOY OVERALL
  • Connection Style: PLAIN (OPTIONAL END)
  • Surface Treatment Document and Classification: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nominal Thread Size: 0.485 INCHES INTERNAL IN
  • Tire Valve Designation: TR-VC-6
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Cap,pneumatic Valve, cataloged under National Stock Number 2640-00-267-2982, is classified within Federal Supply Class 2640 (No Item Name Available) of the Tires and Tubes group. The primary manufacturer of record is Eaton Corporation Dba Air Controls Division Div Air Controls Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 17 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
NSN2640-00-267-2982
Primary Part Number8971
Item NameCap,pneumatic Valve
FSC / FSG2640 / 26 — No Item Name Available
ManufacturerEaton Corporation Dba Air Controls Division Div Air Controls Division
StatusCANCELLED
Thread Series DesignatorUNS INTERNAL
Thread Pitch Diameters+0.4416 TO 0.4456 INCHES INTERNAL IN
MaterialCOPPER ALLOY OVERALL
Connection StylePLAIN (OPTIONAL END)
Surface Treatment Document and ClassificationMIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Nominal Thread Size0.485 INCHES INTERNAL IN
Tire Valve DesignationTR-VC-6
Item Type CategoryACCESSORY
Thread Class2B INTERNAL
Surface TreatmentOXIDE OVERALL
Thread DirectionRIGHT-HAND INTERNAL
Thread Quantity Per Inch26 INTERNAL
Nondefinitive Spec/std Data4 TYPE AND 2 CLASS
Accessory TypeCAP
Features ProvidedDRY HEAT RESISTANT GASKET
Style DesignatorCAP, VALVE SEALING AND DEFLATING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4460-00-088-18198971 INTERCHANGEABLE
Filter,air,electrostatic
Air Systems Components Inc Dba Air System Components Inc Div Trion Iaq Div
3110-00-100-0692 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5970-00-143-451610216051 INTERCHANGEABLE
Insulator,plate
Us Army Aviation and Missile Command
5945-00-201-4201 INTERCHANGEABLE
Relay,electromagnetic
5330-00-219-25678971 INTERCHANGEABLE
Gasket
Hydro-Aire Aerospace Corp
3455-00-224-373210305 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
2540-00-262-75757764906 INTERCHANGEABLE
Hook,pintle
U S Army Tank Automotive Command Amsta-Im-Mm
5305-00-343-8268 INTERCHANGEABLE
Screw,machine
6515-00-386-58000007260 INTERCHANGEABLE
Tube,stomach,surgical
C. R. Bard, Inc.
8040-00-433-4065 INTERCHANGEABLE
Adhesive
Cross-Reference Index
Part NumberManufacturer
8971 Eaton Corporation Dba Air Controls Division Div Air Controls Division (USA)
9116292 Euclid Inc (USA)
HS4439 Marathon Le Tourneau Co (USA)
9116292 Terex Corp (USA)
1450 Scovill Inc Schrader Bellows Div (USA)
588492 Vme Americas Inc Sub of Vme Group N V (USA)
083-4439 Marathon Le Tourneau Co (USA)
520922 Army Weapons Command Attn Amswe-Ree-S (USA)
MS51376-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1450 Schrader-Bridgeport International Inc Dba Schrader Automotive (USA)
776 National Distillers and Chemical Corp Bridgeport Brass Co Div (USA)
ZZ-V-25/TY4/CL2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
588492 Volvo Construction Equipment North America, Llc (USA)
AA52611-42-TRVC6 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
X2196 American Tractor Equipment Corp (USA)
TY-IV/CL2/TR-VC6 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
T776 Plews, Inc. Dba Plews Edelmann Div Plews & Edelmann (USA)
A-A-52611 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
VC6 The Tire & Rim Association Inc (USA)
588492 Clark Equipment Co (USA)
Related Parts
4460-00-088-1819INTERCHANGEABLE
FILTER,AIR,ELECTROSTATIC
8971
3110-00-100-0692INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5970-00-143-4516INTERCHANGEABLE
INSULATOR,PLATE
10216051
5945-00-201-4201INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5330-00-219-2567INTERCHANGEABLE
GASKET
8971
3455-00-224-3732INTERCHANGEABLE
CUTTER,MILLING,END
10305
2540-00-262-7575INTERCHANGEABLE
HOOK,PINTLE
7764906
5305-00-343-8268INTERCHANGEABLE
SCREW,MACHINE
6515-00-386-5800INTERCHANGEABLE
TUBE,STOMACH,SURGICAL
0007260
8040-00-433-4065INTERCHANGEABLE
ADHESIVE
5940-00-755-8074INTERCHANGEABLE
TERMINAL,STUD
306-9041-00
5340-00-958-5921INTERCHANGEABLE
BRACKET,DOUBLE ANGLE
8971

Frequently Asked Questions

What is NSN 2640-00-267-2982?

NSN 2640-00-267-2982 is a Cap,pneumatic Valve, manufactured by Eaton Corporation Dba Air Controls Division Div Air Controls Division, classified under FSC 2640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2640-00-267-2982?

NSN 2640-00-267-2982 has 20 cross-referenced part numbers: 8971 (Eaton Corporation Dba Air Controls Division Div Air Controls Division), 9116292 (Euclid Inc), HS4439 (Marathon Le Tourneau Co), 9116292 (Terex Corp), 1450 (Scovill Inc Schrader Bellows Div) and 15 more.

What NSN replaces 2640-00-267-2982?

There are 12 known substitutes for 2640-00-267-2982: 4460-00-088-1819, 3110-00-100-0692, 5970-00-143-4516 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8971?

Key specifications for 8971: Thread Series Designator: UNS INTERNAL; Thread Pitch Diameters: +0.4416 TO 0.4456 INCHES INTERNAL IN; Material: COPPER ALLOY OVERALL; Connection Style: PLAIN (OPTIONAL END). 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2640-00-267-2982 still in active supply?

NSN 2640-00-267-2982 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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