NSN 2920-01-426-2789 — this item is cataloged by the U.S. Government under National Stock Number 2920-01-426-2789. Manufacturer of record part number: MRTB21D31.
Also searched as2920-01-426-2789 ·
2920014262789 ·
NIIN 014262789 ·
01-426-2789 ·
FSC 2920 Engine Electrical System Components, Nonaircraft · CAGE 78286 · MRTB21D31
The Terminal Block,electrical, cataloged under National Stock Number 2920-01-426-2789, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2920-01-426-2789
Primary Part Number
MRTB21D31
Item Name
Terminal Block,electrical
FSC / FSG
2920 / 29 — Engine Electrical System Components, Nonaircraft
Other items in FSC 2920 — Engine Electrical System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2920-00-000-0088
INSTALLATION KIT,AL
2920-00-000-0183
GENERATOR,ENGINE ACCESSORY
2920-00-000-0194
2920-00-000-0194 · Item name not on file
2920-00-001-3474
COIL,MAGNETO
2920-00-001-3843
PLATE ASSY,ARMATURE
2920-00-001-6184
2920-00-001-6184 · Item name not on file
2920-00-001-6185
2920-00-001-6185 · Item name not on file
2920-00-001-8891
2920-00-001-8891 · Item name not on file
Frequently Asked Questions
What is NSN 2920-01-426-2789?
NSN 2920-01-426-2789 is a Terminal Block,electrical, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
What part numbers are listed for NSN 2920-01-426-2789?
NSN 2920-01-426-2789 has 1 manufacturer part number on file: MRTB21D31 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
What are the specifications of MRTB21D31?
Key specifications for MRTB21D31: End Item Identification: PREPROVISIONING SUPPORT NAVICP IS POE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2920-01-426-2789 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.