The Filter,band Pass, cataloged under National Stock Number 5915-00-378-5585, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Freed Transformer Co. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-00-378-5585 |
| Primary Part Number | 35999 |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Freed Transformer Co |
| Status | ACTIVE |
| Reference Frequency Per Function | 1.105 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Body Surface Treatment | CADMIUM |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 3.375 INCHES NOMINAL IN |
| Functional Terminal Type and Quantity | 1 TURRET OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 TURRET GROUND THIRD FUNCTION |
| Functional Terminal Type and Quantity | 1 TURRET INPUT FIRST FUNCTION |
| Body Width | 3.375 INCHES NOMINAL IN |
| Body Height | 3.625 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Material | METAL |
| Body Length | 4.219 INCHES NOMINAL IN |
| Input Impedance Per Function W/load | 600.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 2.500 INCHES NOMINAL IN |
| Insertion Loss at Reference Frequency Per Function in Decibels | 5.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Output Impedance Per Function W/source Across Input | 600.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 35999 | Freed Transformer Co (USA) |
| A1001829-1ANDC1001830ANDFT2409 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| A1001829-1ANDC1001830ANDFT2409 | 5/9 Secondary reference Itt Industries Inc Itt Aerospace Communications Div East |
| SCD104924 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5915-00-378-5585 is a Filter,band Pass, manufactured by Freed Transformer Co, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-00-378-5585 has 2 manufacturer part numbers on file: 35999 (Freed Transformer Co), A1001829-1ANDC1001830ANDFT2409 (L3harris Technologies, Inc. Dba Harris Corporation).
7 possible matches (shared part number, not a government interchangeability claim): 8415-01-463-2191, 8415-01-463-2196, 8415-01-463-2374. Verify interchangeability with system specifications before substitution.
Key specifications for 35999: Reference Frequency Per Function: 1.105 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 4 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 4.219 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED. 19 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.