The Flap,inner Tube,pneumatic Tire, cataloged under National Stock Number 2640-01-478-8142, 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 Deval Life Cycle Support Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2640-01-478-8142 |
| Primary Part Number | 3Q1145C-3 |
| Item Name | Flap,inner Tube,pneumatic Tire |
| FSC / FSG | 2640 / 26 — Tire Rebuilding and Tire and Tube Repair Materials |
| Manufacturer | Deval Life Cycle Support Llc |
| Status | ACTIVE |
| Accessory Type | FLAP |
| Item Type Category | ACCESSORY |
| 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 |
|---|---|
| 3Q1145C-3 PRIMARY | Deval Life Cycle Support Llc (USA) |
| Reference | Meaning |
|---|---|
| 3Q1145C-2 | 5/9 Secondary reference Deval Life Cycle Support Llc |
| AVAKBL8F8 | 5/9 Secondary reference American Valley Aviation, Inc. Dba American Valley Aviation Inc |
| 199/257/70001/034 | 5/9 Secondary reference Deval Life Cycle Support Llc |
NSN 2640-01-478-8142 is a Flap,inner Tube,pneumatic Tire, manufactured by Deval Life Cycle Support Llc, classified under FSC 2640, Tire Rebuilding and Tire and Tube Repair Materials. Status: active.
NSN 2640-01-478-8142 has 1 manufacturer part number on file: 3Q1145C-3 (Deval Life Cycle Support Llc).
1 possible match (shared part number, not a government interchangeability claim): 2640-01-558-3574. Verify interchangeability with system specifications before substitution.
Key specifications for 3Q1145C-3: Accessory Type: FLAP; Part Name Assigned by Controlling Agency: INNER TUBE W FLAP; End Item Identification: SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT; Item Type Category: ACCESSORY. 2 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.