The Filter,low Pass, cataloged under National Stock Number 5915-01-034-5564, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Electronic Systems. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5915-01-034-5564 |
| Primary Part Number | 581R781H02 |
| Item Name | Filter,low Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Reference Frequency Per Function | 120.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.660 INCHES NOMINAL2.660 INCHES NOMINAL IN |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.112 INCHES IN |
| Body Material | METAL |
| Body Length | 2.900 INCHES NOMINAL2.900 INCHES NOMINAL IN |
| Discrimination at Specified Frequencies Per Function in Decibels | 3.0 MAXIMUM BLANK AND 60.0 MINIMUM BLANK FIRST FUNCTION |
| Frequency Band Width Per Function | 100.00 HERTZ BLANK AND 180.00 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS-55.0 TO 85.0 CELSIUS DEGC |
| Insertion Loss at Reference Frequency Per Function in Decibels | 2.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Specified Frequencies of Discrimination Per Function | 100.00 HERTZ BLANK AND 180.00 HERTZ BLANK AND 200.00 HERTZ BLANK AND 500.00 HERTZ 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 |
|---|---|
| 581R781H02 | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| 3559 | Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions (USA) |
| Reference | Meaning |
|---|---|
| 581R781H02 | 3/2 Design control — primary reference U.S. Government activity |
| MPS482B | 5/9 Secondary reference U.S. Government activity |
| 581R781H04 | 5/9 Secondary reference U.S. Government activity |
| 581R781H02 | 5/9 Secondary reference U.S. Government activity |
NSN 5915-01-034-5564 is a Filter,low Pass, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-034-5564 has 2 manufacturer part numbers on file: 581R781H02 (Northrop Grumman Systems Corporation Dba Electronic Systems), 3559 (Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-203-6866. Verify interchangeability with system specifications before substitution.
Key specifications for 581R781H02: Reference Frequency Per Function: 120.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 2 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN; Inclosure Type: ENCASED. 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.
NSN 5915-01-034-5564 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.