The Support,electrical Card Holder, cataloged under National Stock Number 5998-01-353-2799, 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 Rotary and Mission Systems. Government technical data includes 14 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-353-2799 |
| Primary Part Number | 144A307-1 |
| Item Name | Support,electrical Card Holder |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) THIRD MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) FOURTH MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 8 THREADED HOLE(S) FIRST MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE III,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Body Style | IRREGULAR |
| Unthreaded Mounting Hole Diameter | 0.062 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.067 INCHES NOMINAL THIRD MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.096 INCHES NOMINAL FOURTH MOUNTING FACILITY IN |
| Nominal Thread Size | 0.060 INCHES FIRST MOUNTING FACILITY IN |
| Surface Treatment | ANODIZE |
| Thread Class | 2B FIRST MOUNTING FACILITY |
| Material | ALUMINUM ALLOY 6101 |
| Thread Series Designator | UNF FIRST MOUNTING FACILITY |
| 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 | ZN |
| Part Number | Manufacturer |
|---|---|
| 144A307-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 5998-01-353-2799 is a Support,electrical Card Holder, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-353-2799 has 1 manufacturer part number on file: 144A307-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 144A307-1: Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) THIRD MOUNTING FACILITY; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) FOURTH MOUNTING FACILITY; Mounting Facility Type and Quantity: 8 THREADED HOLE(S) FIRST MOUNTING FACILITY. 14 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.