NSN 5998-01-246-3657 · NIIN 012463657 · Part number B4012678
Department of the Army Hq United States Army Communications Research and Development Command · FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · FSG 59 — Electrical and Electronic Equipment Components · CAGE 56996
Government record, cited
NSN 5998-01-246-3657 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-246-3657. Manufacturer of record part number: B4012678.
Also searched as5998-01-246-3657 ·
5998012463657 ·
NIIN 012463657 ·
01-246-3657 ·
FSC 5998 Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · CAGE 56996 · B4012678
Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter: 0.069 INCHES MINIMUM AND 0.074 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Material Document and Classification: MIL-P-18177 MIL SPEC SINGLE MATERIAL RESPONSE
Material: PLASTIC EPOXY
2 manufacturer part numbers on file
Manufacturer of record: Department of the Army Hq United States Army Communications Research and Development Command
Identification
NSN: 5998-01-246-3657
NIIN: 012463657
FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: B4012678
Manufacturer: Department of the Army Hq United States Army Communications Research and Development Command
General Description
The Support,electrical Card Holder, cataloged under National Stock Number 5998-01-246-3657, 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 Department of the Army Hq United States Army Communications Research and Development Command. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5998-01-246-3657
Primary Part Number
B4012678
Item Name
Support,electrical Card Holder
FSC / FSG
5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
Manufacturer
Department of the Army Hq United States Army Communications Research and Development Command
Status
ACTIVE
Mounting Facility Type and Quantity
6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter
0.069 INCHES MINIMUM AND 0.074 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Department of the Army Hq United States Army Communications Research and Development Command (USA)
No interchangeability data on file.
Other items in FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5998-00-000-0087
CIRCUIT CARD ASSEMBLY
5998-00-000-0089
5998-00-000-0089 · Item name not on file
5998-00-000-0154
CIRCUIT CARD ASSEMBLY
5998-00-000-0173
ELECTRONIC COMPONENTS ASSEMBLY
5998-00-000-0175
ELECTRONIC COMPONENTS ASSEMBLY
5998-00-000-0177
ELECTRONIC COMPONENTS ASSEMBLY
5998-00-001-1267
CIRCUIT CARD ASSEMBLY
5998-00-001-1271
CIRCUIT CARD ASSEMBLY
Frequently Asked Questions
What is NSN 5998-01-246-3657?
NSN 5998-01-246-3657 is a Support,electrical Card Holder, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
What part numbers are listed for NSN 5998-01-246-3657?
NSN 5998-01-246-3657 has 2 manufacturer part numbers on file: B4012678 (Lockheed Martin Librascope Corporation), B4012678 (Department of the Army Hq United States Army Communications Research and Development Command).
What are the specifications of B4012678?
Key specifications for B4012678: Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 0.100 INCHES NOMINAL IN; Unthreaded Mounting Hole Diameter: 0.069 INCHES MINIMUM AND 0.074 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN; Material Document and Classification: MIL-P-18177 MIL SPEC SINGLE MATERIAL RESPONSE. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5998-01-246-3657 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.