The Filter,band Pass, cataloged under National Stock Number 5915-01-425-2979, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5915-01-425-2979 |
| Primary Part Number | 325337-2 |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Reference Frequency Per Function | 257.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION |
| Body Outside Diameter | 1.250 INCHES NOMINAL IN |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Style Designator | ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNF |
| Nominal Thread Size | 0.190 INCHES IN |
| Body Material | METAL |
| Frequency Band Width Per Function | 244.00 MEGAHERTZ BLANK AND 270.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Insertion Loss at Reference Frequency Per Function in Decibels | 1.2 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 325337-2 PRIMARY | Raytheon Company (USA) |
| 6B110-257/HQ26-OP/OP | K&l Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| BPF-L-251-260-11630 | 5/9 Secondary reference Teledyne Wireless, Llc Dba Teledyne Microwave Solutions |
NSN 5915-01-425-2979 is a Filter,band Pass, manufactured by Raytheon Company, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-425-2979 has 2 manufacturer part numbers on file: 325337-2 (Raytheon Company), 6B110-257/HQ26-OP/OP (K&l Microwave Llc).
Key specifications for 325337-2: Reference Frequency Per Function: 257.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: HERMETICALLY SEALED; Functional Terminal Type and Quantity: 1 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION. 14 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.
NSN 5915-01-425-2979 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.