The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-477-3611, 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 Div Marine Systems. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5915-01-477-3611 |
| Primary Part Number | 4A12231H01 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Power Line Frequency Rating Per Function in Hertz | 60.0 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Functional Terminal Type and Quantity | 6 THREADED STUD INPUT-OUTPUT LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 7.750 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Operating Voltage Rating and Type Per Function | 440.0 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | +0.0 TO 85.0 CELSIUS DEGC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NF-969 | Powers Holdings, Inc Div Filter Networks (USA) |
| 2050F11 ITEM 22 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 4A12231H01 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| Reference | Meaning |
|---|---|
| 4A12231 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Marine Systems |
NSN 5915-01-477-3611 is a Filter,radio Frequency Interfere, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-477-3611 has 3 manufacturer part numbers on file: NF-969 (Powers Holdings, Inc Div Filter Networks), 2050F11 ITEM 22 (Northrop Grumman Systems Corporation Div Marine Systems), 4A12231H01 (Northrop Grumman Systems Corporation Div Marine Systems).
1 possible match (shared part number, not a government interchangeability claim): 5915-01-486-4700. Verify interchangeability with system specifications before substitution.
Key specifications for 4A12231H01: Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: HERMETICALLY SEALED; Power Line Frequency Rating Per Function in Hertz: 60.0 BLANK LOCATION NOT OTHERWISE SPECIFIED; Functional Terminal Type and Quantity: 6 THREADED STUD INPUT-OUTPUT LOCATION NOT OTHERWISE SPECIFIED. 9 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 5915-01-477-3611 has DEMIL Code Q. 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.