PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST5M1377T3Backshell,electrical Connector

The Boeing Company Div Defense · NSN 5935-00-540-9065 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-540-9065 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-540-9065. Primary manufacturer part number: ST5M1377T3.
Features
  • Backshell,electrical Connector — FSC 5935
  • Thread Quantity Per Inch: 28
  • Thread Class: 2B
  • Material: COPPER ALLOY
  • Thread Series Designator: UNEF
  • Overall Diameter: 0.624 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN
  • Style Designator: STRAIGHT SHAPE SOLID TYPE
  • Mounting Facility Type and Quantity: 1 THREADED COUPLING
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
  • Applications requiring Copper Alloy construction
General Description

The Backshell,electrical Connector, cataloged under National Stock Number 5935-00-540-9065, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-540-9065
Primary Part NumberST5M1377T3
Item NameBackshell,electrical Connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusCANCELLED
Thread Quantity Per Inch28
Thread Class2B
MaterialCOPPER ALLOY
Thread Series DesignatorUNEF
Overall Diameter0.624 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN
Style DesignatorSTRAIGHT SHAPE SOLID TYPE
Mounting Facility Type and Quantity1 THREADED COUPLING
Thread DirectionRIGHT-HAND
Nominal Thread Size0.438 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-142-734517F14620 INTERCHANGEABLE
Fuse,cartridge
Naval Sea Systems Command
5975-00-152-9932143AL INTERCHANGEABLE
Locknut,electrical Conduit
Abb Installation Products Inc
3110-00-155-624010702 INTERCHANGEABLE
Bearing,ball,annular
Hyster-Yale Group, Inc.
3110-00-183-9160107905 INTERCHANGEABLE
Retainer and Balls,bearing
General Motors Llc Dba General Motors Llc
5330-00-318-844110702 INTERCHANGEABLE
Seal Ring,metal
Pacific Piston Ring Co Inc
4320-00-336-8878166156 INTERCHANGEABLE
Piston,steam,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
2995-00-346-7013107021 INTERCHANGEABLE
Control,propeller G
Transdigm Inc
5120-00-449-80832205 INTERCHANGEABLE
Wrench,adjustable
Reed Manufacturing Company
5999-00-497-7642 INTERCHANGEABLE
Mounting Pad,electrical-Electron
5935-00-569-77381070-2 INTERCHANGEABLE
Adapter,tube,thermocouple
Marlin Mfg. Corp Div Marlin Manufacturing Corporation
Cross-Reference Index
Part NumberManufacturer
159290-0046 Itt Cannon Llc (USA)
10702 Itt Cannon Electric Phoenix Div (USA)
10702-1 Itt Cannon Electric Phoenix Div (USA)
KA-89-43 Winchester Interconnect Corporation (USA)
ST5M1377T3 PRIMARY The Boeing Company Div Defense (USA)
151700-0072 Itt Cannon Llc (USA)
75C20648-3 Microphase Corp (USA)
Related Parts
5920-00-142-7345INTERCHANGEABLE
FUSE,CARTRIDGE
17F14620
5975-00-152-9932INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
143AL
3110-00-155-6240INTERCHANGEABLE
BEARING,BALL,ANNULAR
10702
3110-00-183-9160INTERCHANGEABLE
RETAINER AND BALLS,BEARING
107905
5330-00-318-8441INTERCHANGEABLE
SEAL RING,METAL
10702
4320-00-336-8878INTERCHANGEABLE
PISTON,STEAM,PUMP
166156
2995-00-346-7013INTERCHANGEABLE
CONTROL,PROPELLER G
107021
5120-00-449-8083INTERCHANGEABLE
WRENCH,ADJUSTABLE
2205
5999-00-497-7642INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5935-00-569-7738INTERCHANGEABLE
ADAPTER,TUBE,THERMOCOUPLE
1070-2
5950-00-645-2563INTERCHANGEABLE
COIL,RADIO FREQUENCY
215350-20
5930-00-701-2898INTERCHANGEABLE
SWITCH,ROTARY
10702-1

Frequently Asked Questions

What is NSN 5935-00-540-9065?

NSN 5935-00-540-9065 is a Backshell,electrical Connector, manufactured by The Boeing Company Div Defense, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-540-9065?

NSN 5935-00-540-9065 has 7 cross-referenced part numbers: 159290-0046 (Itt Cannon Llc), 10702 (Itt Cannon Electric Phoenix Div), 10702-1 (Itt Cannon Electric Phoenix Div), KA-89-43 (Winchester Interconnect Corporation), ST5M1377T3 (The Boeing Company Div Defense) and 2 more.

What NSN replaces 5935-00-540-9065?

There are 12 known substitutes for 5935-00-540-9065: 5920-00-142-7345, 5975-00-152-9932, 3110-00-155-6240 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST5M1377T3?

Key specifications for ST5M1377T3: Thread Quantity Per Inch: 28; Thread Class: 2B; Material: COPPER ALLOY; Thread Series Designator: UNEF. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-540-9065 still in active supply?

NSN 5935-00-540-9065 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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