PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST5M1377T2Backshell,electrical Connector

The Boeing Company Div Defense · NSN 5935-00-540-9050 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-540-9050 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-540-9050. Primary manufacturer part number: ST5M1377T2.
Features
  • Backshell,electrical Connector — FSC 5935
  • Style Designator: STRAIGHT SHAPE SOLID TYPE
  • Material: COPPER ALLOY
  • Mounting Facility Type and Quantity: 1 THREADED COUPLING
  • Thread Series Designator: UNEF
  • Nominal Thread Size: 0.438 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2B
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 5935-00-540-9050, 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 5 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: Active.

Technical Specifications
ParameterValue
NSN5935-00-540-9050
Primary Part NumberST5M1377T2
Item NameBackshell,electrical Connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Style DesignatorSTRAIGHT SHAPE SOLID TYPE
MaterialCOPPER ALLOY
Mounting Facility Type and Quantity1 THREADED COUPLING
Thread Series DesignatorUNEF
Nominal Thread Size0.438 INCHES IN
Thread DirectionRIGHT-HAND
Thread Class2B
Thread Quantity Per Inch28
Overall Diameter0.724 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-183-9766909701 INTERCHANGEABLE
Retainer and Balls,bearing
Abm Equipment, Llc
5975-00-290-4085142AL INTERCHANGEABLE
Locknut,electrical Conduit
Abb Installation Products Inc
5930-00-387-2700 INTERCHANGEABLE
Switch,thermostatic
3120-00-517-83221537959-1 INTERCHANGEABLE
Bearing,sleeve
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-569-77491070-1 INTERCHANGEABLE
Adapter,tube,thermo
Marlin Mfg. Corp Div Marlin Manufacturing Corporation
5945-00-833-1140SM-C-481367 INTERCHANGEABLE
Relay,electromagnetic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-901-4643SM-C-414093 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-01-070-2837107-01 INTERCHANGEABLE
Washer Set,spring Tension,matche
Disc-Lock Llc
5995-01-073-51421070-1 INTERCHANGEABLE
Cable Assembly,radio Frequency
Leidos, Inc. Div Cyber and Information Solutions Services
6675-01-105-5754 INTERCHANGEABLE
Drafting Support Se
Cross-Reference Index
Part NumberManufacturer
ST5M1377T2 PRIMARY The Boeing Company Div Defense (USA)
10701 Itt Cannon Electric Phoenix Div (USA)
357-8986-020 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
KA-89-42 Winchester Interconnect Corporation (USA)
75C20648-2 Microphase Corp (USA)
Related Parts
3110-00-183-9766INTERCHANGEABLE
RETAINER AND BALLS,BEARING
909701
5975-00-290-4085INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
142AL
5930-00-387-2700INTERCHANGEABLE
SWITCH,THERMOSTATIC
3120-00-517-8322INTERCHANGEABLE
BEARING,SLEEVE
1537959-1
5935-00-569-7749INTERCHANGEABLE
ADAPTER,TUBE,THERMO
1070-1
5945-00-833-1140INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SM-C-481367
5950-00-901-4643INTERCHANGEABLE
COIL,RADIO FREQUENCY
SM-C-414093
5310-01-070-2837INTERCHANGEABLE
WASHER SET,SPRING TENSION,MATCHE
107-01
5995-01-073-5142INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
1070-1
6675-01-105-5754INTERCHANGEABLE
DRAFTING SUPPORT SE
5310-01-139-9878INTERCHANGEABLE
WASHER,FLAT
10701
5930-01-146-4324INTERCHANGEABLE
SWITCH,TOGGLE

Frequently Asked Questions

What is NSN 5935-00-540-9050?

NSN 5935-00-540-9050 is a Backshell,electrical Connector, manufactured by The Boeing Company Div Defense, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-540-9050?

NSN 5935-00-540-9050 has 5 cross-referenced part numbers: ST5M1377T2 (The Boeing Company Div Defense), 10701 (Itt Cannon Electric Phoenix Div), 357-8986-020 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), KA-89-42 (Winchester Interconnect Corporation), 75C20648-2 (Microphase Corp).

What NSN replaces 5935-00-540-9050?

There are 12 known substitutes for 5935-00-540-9050: 3110-00-183-9766, 5975-00-290-4085, 5930-00-387-2700 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST5M1377T2?

Key specifications for ST5M1377T2: Style Designator: STRAIGHT SHAPE SOLID TYPE; Overall Length: 0.455 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN; Material: COPPER ALLOY; Mounting Facility Type and Quantity: 1 THREADED COUPLING. 10 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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