PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1865Extender Card,electronic Test

Protolab · NSN 5998-01-102-6634 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-102-6634 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-102-6634. Primary manufacturer part number: 1865.
Features
  • Extender Card,electronic Test — FSC 5998
  • 3 verified cross-references
  • Primary manufacturer: Protolab
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Extender Card,electronic Test, cataloged under National Stock Number 5998-01-102-6634, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Protolab. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5998-01-102-6634
Primary Part Number1865
Item NameExtender Card,electronic Test
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerProtolab
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-01-315-8975 (187-5)
HAZMATNo
Weight0.4000 lbs
Cube0.0170 cu ft
Verified Substitutes 12
Clip,electrical
6145-01-315-8975187-5 SUCCESSOR
Cable,special Purpose,electrical
Thomas and Betts Corp Electronics Group
4820-00-074-7198 INTERCHANGEABLE
Seat,valve
5950-00-086-91242181473-1 INTERCHANGEABLE
Transformer,power
Honeywell Intl Dba Honeywell Div Business and General Aviation
3455-00-254-846213520 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
3455-00-254-846313540 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
3455-00-254-846413560 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
3455-00-254-8468C152 INTERCHANGEABLE
Cutter,milling,convex
F & D Tool Co Inc
5136-00-255-994841T1368-1895 INTERCHANGEABLE
Tap,thread Cutting
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3455-00-278-119113530 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
Cross-Reference Index
Part NumberManufacturer
1865 PRIMARY Protolab (USA)
1875 Protolab (USA)
11438214 Us Army Aviation and Missile Command (USA)
Related Parts
SUCCESSOR 6145-01-315-8975 Cable,special Purpose,electrical · 187-5
5999-00-449-7765SUCCESSOR
CLIP,ELECTRICAL
4820-00-074-7198INTERCHANGEABLE
SEAT,VALVE
5950-00-086-9124INTERCHANGEABLE
TRANSFORMER,POWER
2181473-1
3455-00-254-8462INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13520
3455-00-254-8463INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13540
3455-00-254-8464INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13560
3455-00-254-8468INTERCHANGEABLE
CUTTER,MILLING,CONVEX
C152
5136-00-255-9948INTERCHANGEABLE
TAP,THREAD CUTTING
41T1368-1895
3455-00-278-1191INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13530
3120-00-360-4081INTERCHANGEABLE
BEARING,WASHER,THRUST
1875
4810-00-361-6286INTERCHANGEABLE
PLUNGER,ACTUATOR
1865

Frequently Asked Questions

What is NSN 5998-01-102-6634?

NSN 5998-01-102-6634 is a Extender Card,electronic Test, manufactured by Protolab, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-102-6634?

NSN 5998-01-102-6634 has 3 cross-referenced part numbers: 1865 (Protolab), 1875 (Protolab), 11438214 (Us Army Aviation and Missile Command).

What NSN replaces 5998-01-102-6634?

There are 12 known substitutes for 5998-01-102-6634: 5999-00-449-7765, 6145-01-315-8975, 4820-00-074-7198 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1865?

Key specifications for 1865: Overall Width: 3.750 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN; Overall Length: 6.650 INCHES NOMINAL IN; Overall Width: 3.750 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN; Overall Length: 6.650 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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