The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-721-5301, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Prestolite Electric Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5915-01-721-5301 |
| Primary Part Number | 6531-556 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Unpackaged Unit Weight | 0.1 KILOGRAMS NOMINAL KG |
| Thread Pitch in Millimeters | 0.8 |
| Nominal Thread Size | 5.0 MILLIMETERS MM |
| 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 |
|---|---|
| 6531-556 PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| 4636175 | D/9 Drawing number reference only Oshkosh Defense Llc |
NSN 5915-01-721-5301 is a Filter,radio Frequency Interfere, manufactured by Prestolite Electric Inc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-721-5301 has 1 manufacturer part number on file: 6531-556 (Prestolite Electric Inc).
Key specifications for 6531-556: Overall Height: 51.33 MILLIMETERS NOMINAL MM; Unpackaged Unit Weight: 0.1 KILOGRAMS NOMINAL KG; Thread Pitch in Millimeters: 0.8; Overall Length: 60.78 MILLIMETERS NOMINAL MM. 3 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.