The Filter,high Pass, cataloged under National Stock Number 5915-01-335-0187, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Stellant Systems Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-335-0187 |
| Primary Part Number | U-138-1 |
| Item Name | Filter,high Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Stellant Systems Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Voltage Standing Wave Ratio Per Function | 1.5 SINGLE HIGH PASS LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 3.820 INCHES NOMINAL IN |
| Body Width | 2.000 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 1.820 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Voltage Standing Wave Ratio Frequency Limits Per Function | 407.0 MEGAHERTZ SINGLE HIGH PASS AND 450.0 MEGAHERTZ SINGLE HIGH PASS 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 |
|---|---|
| U-138-1 PRIMARY | Stellant Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 7548477P1 | 5/9 Secondary reference U.S. Government activity |
NSN 5915-01-335-0187 is a Filter,high Pass, manufactured by Stellant Systems Inc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-335-0187 has 1 manufacturer part number on file: U-138-1 (Stellant Systems Inc).
Key specifications for U-138-1: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Voltage Standing Wave Ratio Per Function: 1.5 SINGLE HIGH PASS LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: ENCASED; Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 3.820 INCHES NOMINAL IN. 8 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 5915-01-335-0187 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.