The Electronic Components Assembly, cataloged under National Stock Number 5998-01-526-7657, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-526-7657 |
| Primary Part Number | 12422551-004 |
| Item Name | Electronic Components Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | DZ |
| Weight | 10.0000 lbs |
| Cube | 1.1646 cu ft |
| Part Number | Manufacturer |
|---|---|
| 12422551-004 | Amz Alabama Inc. (USA) |
| 12422551-004 PRIMARY | Oshkosh Defense Llc (USA) |
| 12422551-004 PRIMARY | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12422551-004 | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 12422551 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 12422551-004 | 5/9 Secondary reference Oshkosh Corp |
NSN 5998-01-526-7657 is a Electronic Components Assembly, manufactured by Oshkosh Defense Llc, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-526-7657 has 4 manufacturer part numbers on file: 12422551-004 (Amz Alabama Inc.), 12422551-004 (Oshkosh Defense Llc), 12422551-004 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12422551-004 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-643-6967. Verify interchangeability with system specifications before substitution.
Key specifications for 12422551-004: Overall Height: 354.0 MILLIMETERS NOMINAL MM; Overall Length: 246.0 MILLIMETERS NOMINAL MM; Overall Width: 49.0 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: PROGRAMED ELECTRONIC CONTROL MODULE ENGINE. 0 specifications are 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.
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.