The Filter,band Pass, cataloged under National Stock Number 5915-01-443-7499, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Reactel, Inc. Dba Reactel Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-443-7499 |
| Primary Part Number | 5B4-257-X28N11 |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Reactel, Inc. Dba Reactel Inc |
| Status | ACTIVE |
| Inclosure Type | ENCASED |
| Body Outside Diameter | 1.125 INCHES MAXIMUM IN |
| Style Designator | ROUND 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 | X |
| Part Number | Manufacturer |
|---|---|
| 5B4-257-X28N11 | Reactel, Inc. Dba Reactel Inc (USA) |
| Reference | Meaning |
|---|---|
| 7921788-00 | 5/2 Secondary reference U.S. Government activity |
| 7921788 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5915-01-443-7499 is a Filter,band Pass, manufactured by Reactel, Inc. Dba Reactel Inc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-443-7499 has 1 manufacturer part number on file: 5B4-257-X28N11 (Reactel, Inc. Dba Reactel Inc).
Key specifications for 5B4-257-X28N11: Inclosure Type: ENCASED; Body Outside Diameter: 1.125 INCHES MAXIMUM IN; Style Designator: ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES; Overall Length: 7.750 INCHES MAXIMUM 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.