The Retainer-Ejector,electrical Card, cataloged under National Stock Number 5998-01-186-1633, 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 Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5998-01-186-1633 |
| Primary Part Number | 240526-3 |
| Item Name | Retainer-Ejector,electrical Card |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Material Document and Classification | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | COPPER |
| 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 | J |
| Part Number | Manufacturer |
|---|---|
| 240526-3 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
| Reference | Meaning |
|---|---|
| 240526-3 | 5/9 Secondary reference Schroff Inc |
NSN 5998-01-186-1633 is a Retainer-Ejector,electrical Card, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-186-1633 has 1 manufacturer part number on file: 240526-3 (Lockheed Martin Corp Electronics and Missiles Div).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-475-3598. Verify interchangeability with system specifications before substitution.
Key specifications for 240526-3: Material Document and Classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: 6.000 IN. LG. OVERALL,0.350 IN. W.,0.670 IN. H. NOM. OVERALL IN; End Item Identification: F-18 ACFT; Material: COPPER. 2 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.