The Retainer-Ejector,electrical Card, cataloged under National Stock Number 5998-01-277-3889, 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 Mac Panel Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5998-01-277-3889 |
| Primary Part Number | 412605 |
| Item Name | Retainer-Ejector,electrical Card |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Mac Panel Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 0.9100 lbs |
| Cube | 0.0247 cu ft |
| Part Number | Manufacturer |
|---|---|
| 412605 PRIMARY | Mac Panel Co (USA) |
| Reference | Meaning |
|---|---|
| 921056 | 5/9 Secondary reference Astronics Test Systems Inc |
NSN 5998-01-277-3889 is a Retainer-Ejector,electrical Card, manufactured by Mac Panel Co, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-277-3889 has 1 manufacturer part number on file: 412605 (Mac Panel Co).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-438-4806. Verify interchangeability with system specifications before substitution.
Key specifications for 412605: Overall Length: 9.500 INCHES NOMINAL IN; Overall Width: 3.750 INCHES NOMINAL IN; End Item Identification: B52 MIDATS. 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.
NSN 5998-01-277-3889 has DEMIL Code Q. 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.