The Baffle,fuel Tank, cataloged under National Stock Number 1355-01-263-5439, is classified within Federal Supply Class 1355 (Torpedos and Components, Inert) of the Ammunition and Explosives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1355-01-263-5439 |
| Primary Part Number | 2526771-2 |
| Item Name | Baffle,fuel Tank |
| FSC / FSG | 1355 / 13 — Torpedos and Components, Inert |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | FUEL SYS,TORPEDO,WARSHOT |
| General Characteristics Item Description | MATL ALUM ALLOY A356.0 MIL-A-21180 UNS A13560; ANODIZED MIL-A-8625 TYPE 1; 11.755 IN. OD; 11.534 IN. DIA GROOVE ON FLANGE; 3.187 IN. BORE DIA; 3.625 IN. HUB OD; 1.413 IN. O/A LG; 0.359 IN. W BY 3.562 IN. DIA GROOVE IN BORE; 0.343 IN. DIA PORTS /FLUID PASSAGE/ IN |
| Reference Data and Literature | TM SW515-A1-MM1-020/MK MOD 1-2 VOL 3 |
| Type/model Designation | MK46/MOD1-11 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2526771-2 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2526771-2 | 5/9 Secondary reference Jpi Transportation Products Inc |
NSN 1355-01-263-5439 is a Baffle,fuel Tank, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1355, Torpedos and Components, Inert. Status: active.
NSN 1355-01-263-5439 has 1 manufacturer part number on file: 2526771-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2526771-2: FSC Application Data: FUEL SYS,TORPEDO,WARSHOT; General Characteristics Item Description: MATL ALUM ALLOY A356.0 MIL-A-21180 UNS A13560; ANODIZED MIL-A-8625 TYPE 1; 11.755 IN. OD; 11.534 IN. DIA GROOVE ON FLANGE; 3.187 IN. BORE DIA; 3.625 IN. HUB OD; 1.413 IN. O/A LG; 0.359 IN. W BY 3.562 IN. DIA GROOVE IN BORE; 0.343 IN. DIA PORTS /FLUID PASSAGE/ IN; Reference Data and Literature: TM SW515-A1-MM1-020/MK MOD 1-2 VOL 3; End Item Identification: 1355-00-185-1453 AND 1355-00-477-8858 FUEL TANK. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1355-01-263-5439 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.