The Insulation,bottom L, cataloged under National Stock Number 2835-01-013-7443, is classified within Federal Supply Class 2835 (Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Tighitco Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Insulation,bottom L |
| FSC / FSG | 2835 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components (FSG 28) |
| Manufacturers | Tighitco Inc. (CAGE 22013); General Electric Company (CAGE 07482) |
| Parameter | Value |
|---|---|
| NSN | 2835-01-013-7443 |
| Primary Part Number | 42H26683-3 |
| Item Name | Insulation,bottom L |
| FSC / FSG | 2835 / 28 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components |
| Manufacturer | Tighitco Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 42H26683-3 PRIMARY | Tighitco Inc. (USA) |
| L21645P03 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| L21645P01 | 5/9 Secondary reference General Electric Company |
| 2835PL0718179 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 11341-2L | 5/9 Secondary reference Master Addresser Co |
NSN 2835-01-013-7443 is a Insulation,bottom L, manufactured by Tighitco Inc., classified under FSC 2835, Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components. Status: active.
NSN 2835-01-013-7443 has 2 manufacturer part numbers on file: 42H26683-3 (Tighitco Inc.), L21645P03 (General Electric Company).
1 possible match (shared part number, not a government interchangeability claim): 2835-01-013-7444. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). 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.