The Stiffener,electrical Card, cataloged under National Stock Number 5998-01-535-2518, 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 Astronautics Corporation of America. Government technical data includes 8 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 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 | 5998-01-535-2518 |
| Primary Part Number | 260352 |
| Item Name | Stiffener,electrical Card |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 10 THREADED HOLE(S) AND 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Body Style | IRREGULAR |
| Unthreaded Mounting Hole Diameter | 0.094 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Material | ALUMINUM ALLOY 6061 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE 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 | JN |
| Part Number | Manufacturer |
|---|---|
| 260352 PRIMARY | Astronautics Corporation of America (USA) |
NSN 5998-01-535-2518 is a Stiffener,electrical Card, manufactured by Astronautics Corporation of America, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-535-2518 has 1 manufacturer part number on file: 260352 (Astronautics Corporation of America).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-716-0112. Verify interchangeability with system specifications before substitution.
Key specifications for 260352: Mounting Facility Type and Quantity: 10 THREADED HOLE(S) AND 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Body Style: IRREGULAR; Unthreaded Mounting Hole Diameter: 0.094 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Material Document and Classification: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE. 8 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.