The Brake Magnet, cataloged under National Stock Number 6920-00-084-6498, is classified within Federal Supply Class 6920 (Armament Training Devices) of the Training Aids and Devices group. The manufacturer of record is Presnal Engineering Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6920-00-084-6498 |
| Primary Part Number | 5311-631-004 |
| Item Name | Brake Magnet |
| FSC / FSG | 6920 / 69 — Armament Training Devices |
| Manufacturer | Presnal Engineering Co |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 4.000 IN DIA; 0.375 IN THK; 1.250 IN DIA CENTER HOLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5311-631-004 PRIMARY | Presnal Engineering Co (USA) |
| Reference | Meaning |
|---|---|
| 5311-631-004 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 6920-00-084-6498 is a Brake Magnet, manufactured by Presnal Engineering Co, classified under FSC 6920, Armament Training Devices. Status: active.
NSN 6920-00-084-6498 has 1 manufacturer part number on file: 5311-631-004 (Presnal Engineering Co).
1 possible match (shared part number, not a government interchangeability claim): 6110-00-280-2753. Verify interchangeability with system specifications before substitution.
Key specifications for 5311-631-004: General Characteristics Item Description: STEEL; 4.000 IN DIA; 0.375 IN THK; 1.250 IN DIA CENTER HOLE IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6920-00-084-6498 has DEMIL Code B. 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.