The Filter,band Pass, cataloged under National Stock Number 5915-01-312-9788, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Spectrum Sei Microwave, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5915-01-312-9788 |
| Primary Part Number | 311-640027-001 |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Spectrum Sei Microwave, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 311-640027-001 PRIMARY | Spectrum Sei Microwave, Inc. (USA) |
| Reference | Meaning |
|---|---|
| LE175-4-110-20-TT | 3/9 Design control — primary reference Spectrum Sei Microwave, Inc. |
NSN 5915-01-312-9788 is a Filter,band Pass, manufactured by Spectrum Sei Microwave, Inc., classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-312-9788 has 1 manufacturer part number on file: 311-640027-001 (Spectrum Sei Microwave, Inc.).
Key specifications for 311-640027-001: Special Features: FUNCTION: FILTER BANDPASS CENTER FREQUENCY; REFERENCE DATA: 4A11, TI-6750.154, FA-9908, LOCALIZER TRANSMITTER, SEC 1-10, PG 8-60; End Item Identification: INSTRUMENT LANDING SYSTEM (MARK1F). 0 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 5915-01-312-9788 has DEMIL Code B. 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.