The Filter,band Suppression, cataloged under National Stock Number 5915-01-203-7977, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-203-7977 |
| Primary Part Number | 11437697 |
| Item Name | Filter,band Suppression |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Reference Frequency Per Function | 120.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 4.500 INCHES NOMINAL IN |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 2.100 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Body Length | 6.500 INCHES NOMINAL IN |
| Discrimination at Specified Frequencies Per Function in Decibels | 40.0 MINIMUM BLANK AND 3.0 MAXIMUM BLANK AND 15.0 MINIMUM BLANK FIRST FUNCTION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.550 INCHES NOMINAL IN |
| Frequency Band Width Per Function | 115.00 MEGAHERTZ BLANK AND 125.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Insertion Loss at Reference Frequency Per Function in Decibels | 20.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 50.0 OHMS 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 |
|---|---|
| 11437697 | Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions (USA) |
| 11437697 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 11437697 | 5/9 Secondary reference Watkins-Johnson Co |
| WJ-5159 | 5/9 Secondary reference Watkins-Johnson Co |
| WJ-5159 | 5/9 Secondary reference Caes Systems Llc Div Missile Systems Division |
| 11437697 | 5/9 Secondary reference Precision Devices, Inc. Dba Precision Devices Inc |
NSN 5915-01-203-7977 is a Filter,band Suppression, manufactured by Us Army Aviation and Missile Command, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-203-7977 has 2 manufacturer part numbers on file: 11437697 (Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions), 11437697 (Us Army Aviation and Missile Command).
Key specifications for 11437697: Reference Frequency Per Function: 120.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 2.300 INCHES NOMINAL IN; Inclosure Type: ENCASED. 14 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 5915-01-203-7977 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.