The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-00-052-2261, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5915-00-052-2261 |
| Primary Part Number | F2977 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 9.560 INCHES NOMINAL IN |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE INPUT-OUTPUT LOCATION NOT OTHERWISE SPECIFIED |
| Body Width | 2.600 INCHES NOMINAL IN |
| Body Height | 11.560 INCHES NOMINAL IN |
| Maximum Voltage Drop Per Function | 4.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Unthreaded Mounting Hole Diameter | 0.312 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE |
| Body Length | 4.250 INCHES NOMINAL IN |
| Operating Voltage Rating and Type Per Function | 600.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 3.500 INCHES NOMINAL IN |
| Operating Current Rating Per Function in Amps | 0.16 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 |
|---|---|
| F2977 PRIMARY | Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu (USA) |
| Reference | Meaning |
|---|---|
| A40106-2 | 5/9 Secondary reference Dar Electronics Inc Dba National Radio Co |
NSN 5915-00-052-2261 is a Filter,radio Frequency Interfere, manufactured by Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-00-052-2261 has 1 manufacturer part number on file: F2977 (Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu).
Key specifications for F2977: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 12.560 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED; Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 9.560 INCHES NOMINAL IN. 13 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.