The Filter,band Pass, cataloged under National Stock Number 5915-01-132-4840, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is K&l Microwave Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5915-01-132-4840 |
| Primary Part Number | 4BT1250/1350N/N |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | K&l Microwave Llc |
| Status | ACTIVE |
| Body Width | 2.000 INCHES NOMINAL IN |
| Body Height | 2.000 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 4BT1250/1350N/N PRIMARY | K&l Microwave Llc (USA) |
| TCD135 | Coleman Microwave Co Dba Coleman Microwave Corp Div Coleman Microwave Company (USA) |
| Reference | Meaning |
|---|---|
| CD135 | 5/9 Secondary reference Coleman Microwave Co Dba Coleman Microwave Corp Div Coleman Microwave Company |
NSN 5915-01-132-4840 is a Filter,band Pass, manufactured by K&l Microwave Llc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-132-4840 has 2 manufacturer part numbers on file: 4BT1250/1350N/N (K&l Microwave Llc), TCD135 (Coleman Microwave Co Dba Coleman Microwave Corp Div Coleman Microwave Company).
Key specifications for 4BT1250/1350N/N: Body Width: 2.000 INCHES NOMINAL IN; Body Height: 2.000 INCHES NOMINAL IN; Style Designator: RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES; Overall Length: 7.500 INCHES NOMINAL IN. 3 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.