PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BK52203Contact Set,distributor

United Technologies Corp Electro Systems Inc · NSN 2920-00-039-8781 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-039-8781 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-039-8781. Primary manufacturer part number: BK52203.
Features
  • Contact Set,distributor — FSC 2920
  • Accessory Components and Quantity: SCREW 1
  • Contact Quantity: 2
  • Contact Type: SPRING LEAF
  • 8 verified cross-references
  • Primary manufacturer: United Technologies Corp Electro Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact Set,distributor, cataloged under National Stock Number 2920-00-039-8781, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is United Technologies Corp Electro Systems Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2920-00-039-8781
Primary Part NumberBK52203
Item NameContact Set,distributor
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerUnited Technologies Corp Electro Systems Inc
StatusCANCELLED
Accessory Components and QuantitySCREW 1
Contact Quantity2
Contact TypeSPRING LEAF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3110-00-100-07312585 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Rbc Bearings Incorporated Div West Trenton Division
5310-01-329-0908 INTERCHANGEABLE
Washer,flat
3655-01-419-4347 INTERCHANGEABLE
Recharging Unit,carbon Dioxide,p
5998-01-440-3982 INTERCHANGEABLE
Circuit Card Assembly
6680-01-528-064680723 INTERCHANGEABLE
Indicator,sight,liquid
Setra Systems, Inc. Dba Gems Sensors
4920-01-533-8572G-88719 INTERCHANGEABLE
Plate,granite Surf
Starrett L S the Co Starrett Granite Surface Plate Div
5120-01-719-6650 INTERCHANGEABLE
Socket Set,socket Wrench
Cross-Reference Index
Part NumberManufacturer
8344795 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
BK52203A Ambac International Corporation Div Ambac International (USA)
BK52203 PRIMARY United Technologies Corp Electro Systems Inc (USA)
BK52203AS Ambac International Corporation Div Ambac International (USA)
8072-3 Moto-Search Mfg Co Inc (USA)
BK52224 Ambac International Corporation Div Ambac International (USA)
BK52203 Ambac International Corporation Div Ambac International (USA)
BK52203AS United Technologies Corp Electro Systems Inc (USA)
Related Parts
3110-00-100-0731INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2585
5310-01-329-0908INTERCHANGEABLE
WASHER,FLAT
3655-01-419-4347INTERCHANGEABLE
RECHARGING UNIT,CARBON DIOXIDE,P
5998-01-440-3982INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6680-01-528-0646INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
80723
4920-01-533-8572INTERCHANGEABLE
PLATE,GRANITE SURF
G-88719
5120-01-719-6650INTERCHANGEABLE
SOCKET SET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 2920-00-039-8781?

NSN 2920-00-039-8781 is a Contact Set,distributor, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-039-8781?

NSN 2920-00-039-8781 has 8 cross-referenced part numbers: 8344795 (U S Army Tank Automotive Command Amsta-Im-Mm), BK52203A (Ambac International Corporation Div Ambac International), BK52203 (United Technologies Corp Electro Systems Inc), BK52203AS (Ambac International Corporation Div Ambac International), 8072-3 (Moto-Search Mfg Co Inc) and 3 more.

What NSN replaces 2920-00-039-8781?

There are 7 known substitutes for 2920-00-039-8781: 3110-00-100-0731, 5310-01-329-0908, 3655-01-419-4347 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BK52203?

Key specifications for BK52203: Accessory Components and Quantity: SCREW 1; Contact Quantity: 2; Contact Type: SPRING LEAF. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2920-00-039-8781 still in active supply?

NSN 2920-00-039-8781 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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