PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PP4Patch,inner Tube Repair

Technical Rubber Company, Inc. · NSN 2640-00-138-8331 · FSC 2640 · No Item Name Available
Verified by PartsTable
NSN 2640-00-138-8331 — this item is cataloged by the U.S. Government under National Stock Number 2640-00-138-8331. Primary manufacturer part number: PP4.
Features
  • Patch,inner Tube Repair — FSC 2640
  • Unit Package Type: CARTON
  • Accessory Type: TOOL AND EQUIPMENT
  • Diameter: 3.000 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • Application Type: COLD
  • Unit Package Quantity: 32
  • Item Type Category: ACCESSORY
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Rubber Synthetic construction
General Description

The Patch,inner Tube Repair, cataloged under National Stock Number 2640-00-138-8331, is classified within Federal Supply Class 2640 (No Item Name Available) of the Tires and Tubes group. The primary manufacturer of record is Technical Rubber Company, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2640-00-138-8331
Primary Part NumberPP4
Item NamePatch,inner Tube Repair
FSC / FSG2640 / 26 — No Item Name Available
ManufacturerTechnical Rubber Company, Inc.
StatusACTIVE
Unit Package TypeCARTON
Accessory TypeTOOL AND EQUIPMENT
Diameter3.000 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Application TypeCOLD
Unit Package Quantity32
Item Type CategoryACCESSORY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2520-00-640-2326PP4 INTERCHANGEABLE
Disk,clutch,vehicular
Cmbf Products Inc
5340-01-098-9726PP4 INTERCHANGEABLE
Clamp,loop
Dsk Engineering and Technology Inc
8020-01-126-1438RE 011261438 INTERCHANGEABLE
Brush,paint
Defense Logistics Agency Dba Defense Supply Center Philadelphia
Cross-Reference Index
Part NumberManufacturer
PP4 PRIMARY Technical Rubber Company, Inc. (USA)
104 Truflex Rubber Products Co Dba Pang Rubber Company (USA)
Related Parts
2520-00-640-2326INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
PP4
5340-01-098-9726INTERCHANGEABLE
CLAMP,LOOP
PP4
8020-01-126-1438INTERCHANGEABLE
BRUSH,PAINT
RE 011261438

Frequently Asked Questions

What is NSN 2640-00-138-8331?

NSN 2640-00-138-8331 is a Patch,inner Tube Repair, manufactured by Technical Rubber Company, Inc., classified under FSC 2640 (No Item Name Available). Status: active.

What are the part numbers for NSN 2640-00-138-8331?

NSN 2640-00-138-8331 has 2 cross-referenced part numbers: PP4 (Technical Rubber Company, Inc.), 104 (Truflex Rubber Products Co Dba Pang Rubber Company).

What NSN replaces 2640-00-138-8331?

There are 3 known substitutes for 2640-00-138-8331: 2520-00-640-2326, 5340-01-098-9726, 8020-01-126-1438. Verify interchangeability with system specifications before substitution.

What are the specifications of PP4?

Key specifications for PP4: Unit Package Type: CARTON; Accessory Type: TOOL AND EQUIPMENT; Diameter: 3.000 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 8 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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