The Valve Extension,tire, cataloged under National Stock Number 2640-00-596-3985, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 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.
| Parameter | Value |
|---|---|
| NSN | 2640-00-596-3985 |
| Primary Part Number | 11601758 |
| Item Name | Valve Extension,tire |
| FSC / FSG | 2640 / 26 — Tire Rebuilding and Tire and Tube Repair Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Design Type | RIGID-METAL |
| Bore Size Designation | STANDARD |
| Effective Length | 0.500 INCHES NOMINAL IN |
| Accessory Type | VALVE |
| Size Designation | STANDARD |
| Internal Thread Size | 0.312-32 |
| Item Type Category | ACCESSORY |
| Valve Core Accommodation | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11601758 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2640-00-596-3985 is a Valve Extension,tire, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2640, Tire Rebuilding and Tire and Tube Repair Materials. Status: active.
NSN 2640-00-596-3985 has 1 manufacturer part number on file: 11601758 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11601758: Design Type: RIGID-METAL; Bore Size Designation: STANDARD; Overall Length: 0.810 INCHES NOMINAL IN; Effective Length: 0.500 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.