NSN 2640-01-598-3286 · NIIN 015983286 · Part number 6781559
Naval Sea Systems Command · FSC 2640 — Tire Rebuilding and Tire and Tube Repair Materials · FSG 26 — Tires and Tubes · CAGE 53711
Government record, cited
NSN 2640-01-598-3286 — this item is cataloged by the U.S. Government under National Stock Number 2640-01-598-3286. Manufacturer of record part number: 6781559.
Also searched as2640-01-598-3286 ·
2640015983286 ·
NIIN 015983286 ·
01-598-3286 ·
FSC 2640 Tire Rebuilding and Tire and Tube Repair Materials · CAGE 53711 · 6781559
FSC: 2640 — Tire Rebuilding and Tire and Tube Repair Materials
FSG: 26 — Tires and Tubes
Primary part number: 6781559
Manufacturer: Naval Sea Systems Command
General Description
The Cap,pneumatic Valve, cataloged under National Stock Number 2640-01-598-3286, is classified within Federal Supply Class 2640 (Tire Rebuilding and Tire and Tube Repair Materials) of the Tires and Tubes group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2640-01-598-3286
Primary Part Number
6781559
Item Name
Cap,pneumatic Valve
FSC / FSG
2640 / 26 — Tire Rebuilding and Tire and Tube Repair Materials
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Thread Direction
RIGHT-HAND EXTERNAL
Nominal Thread Size
0.500 INCHES EXTERNAL IN
Thread Class
3A EXTERNAL A
Thread Quantity Per Inch
20 EXTERNAL
Material
NICKEL ALLOY OVERALL
Thread Series Designator
UNF EXTERNAL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 2640 — Tire Rebuilding and Tire and Tube Repair Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2640-00-138-8327
PATCH,INNER TUBE REPAIR
2640-00-235-9869
FLAP,INNER TUBE,PNEUMATIC TIRE
2640-00-338-2705
VALVE EXTENSION,TIRE
2640-00-338-2705
VALVE EXTENSION,TIRE
2640-00-338-2705
VALVE EXTENSION,TIRE
2640-00-421-7245
2640-00-421-7245 · Item name not on file
2640-00-554-0535
2640-00-554-0535 · Item name not on file
2640-00-854-7982
2640-00-854-7982 · Item name not on file
Frequently Asked Questions
What is NSN 2640-01-598-3286?
NSN 2640-01-598-3286 is a Cap,pneumatic Valve, manufactured by Naval Sea Systems Command, classified under FSC 2640, Tire Rebuilding and Tire and Tube Repair Materials. Status: active.
What part numbers are listed for NSN 2640-01-598-3286?
NSN 2640-01-598-3286 has 1 manufacturer part number on file: 6781559 (Naval Sea Systems Command).
What are the specifications of 6781559?
Key specifications for 6781559: Thread Direction: RIGHT-HAND EXTERNAL; Nominal Thread Size: 0.500 INCHES EXTERNAL IN; Thread Class: 3A EXTERNAL A; Thread Quantity Per Inch: 20 EXTERNAL. 6 specifications are documented in the U.S. Government catalog.
Is NSN 2640-01-598-3286 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.