The Interface Unit,input-Output, cataloged under National Stock Number 5998-01-698-1269, 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 Corporation Div Rms. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5998-01-698-1269 |
| Primary Part Number | 77C964440G1 |
| Item Name | Interface Unit,input-Output |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JH |
| Part Number | Manufacturer |
|---|---|
| 77C964440G1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| PL77C964405G1-FIND NO-0005 | Lockheed Martin Corporation Div Rms (USA) |
| 77C964405-FIND NO-5 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77C964440 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rms |
| 218109316 | 5/2 Secondary reference U.S. Government activity |
NSN 5998-01-698-1269 is a Interface Unit,input-Output, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-698-1269 has 3 manufacturer part numbers on file: 77C964440G1 (Lockheed Martin Corporation Div Rms), PL77C964405G1-FIND NO-0005 (Lockheed Martin Corporation Div Rms), 77C964405-FIND NO-5 (Lockheed Martin Corporation Div Rms).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-698-2355. Verify interchangeability with system specifications before substitution.
Key specifications for 77C964440G1: Special Features: ELECTROSTATIC DISCHARGE - SENSITIVE. 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 5998-01-698-1269 has DEMIL Code D. 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.