The Filter,high Pass, cataloged under National Stock Number 5915-01-040-8064, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-040-8064 |
| Primary Part Number | 1202989 |
| Item Name | Filter,high Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Reference Frequency Per Function | 2.55 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 0.718 INCHES NOMINAL0.718 INCHES NOMINAL IN |
| Functional Terminal Type and Quantity | 1 PIN INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 2 PIN GROUND THIRD FUNCTION |
| Functional Terminal Type and Quantity | 1 PIN OUTPUT SECOND FUNCTION |
| Source Impedance Rating Per Function | 100.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 1.125 INCHES NOMINAL1.125 INCHES NOMINAL IN |
| Body Height | 2.125 INCHES NOMINAL2.125 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.112 INCHES IN |
| Body Material | METAL |
| Body Length | 1.125 INCHES NOMINAL1.125 INCHES NOMINAL IN |
| Discrimination at Specified Frequencies Per Function in Decibels | 50.0 MINIMUM BLANK AND 1.5 MAXIMUM BLANK FIRST FUNCTION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.718 INCHES NOMINAL0.718 INCHES NOMINAL IN |
| Frequency Band Width Per Function | 2.00 KILOHERTZ BLANK AND 3.10 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | +0.0 TO 85.0 CELSIUS+0.0 TO 85.0 CELSIUS DEGC |
| Insertion Loss at Reference Frequency Per Function in Decibels | 0.5 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 100.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Specified Frequencies of Discrimination Per Function | 700.00 HERTZ BLANK AND 1.45 KILOHERTZ BLANK AND 2.00 KILOHERTZ BLANK AND 3.10 KILOHERTZ 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 |
|---|---|
| L621 | Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc (USA) |
| 1202989 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| HP3911 | Power Control Devices, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HP3911 | 5/9 Secondary reference Power Control Devices Inc |
NSN 5915-01-040-8064 is a Filter,high Pass, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-040-8064 has 3 manufacturer part numbers on file: L621 (Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc), 1202989 (Lockheed Martin Corporation Div Rms - Mitchel Field), HP3911 (Power Control Devices, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-317-2518. Verify interchangeability with system specifications before substitution.
Key specifications for 1202989: Reference Frequency Per Function: 2.55 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 4 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 2.500 INCHES NOMINAL2.500 INCHES NOMINAL IN; Inclosure Type: ENCASED. 22 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.