PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

827021Cover,electrical Connector

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5935-00-257-7420 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-257-7420 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-257-7420. Primary manufacturer part number: 827021.
Features
  • Cover,electrical Connector — FSC 5935
  • Furnished Items: LINK CHAIN
  • Surface Treatment: CADMIUM
  • Mounting Facility Type and Quantity: 1 THREADED COUPLING
  • Thread Quantity Per Inch: 20
  • Attachment Feature Length: 2.562 INCHES NOMINAL IN
  • Nominal Thread Size: 0.750 INCHES IN
  • Body Height: 0.938 INCHES NOMINAL IN
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Cover,electrical Connector, cataloged under National Stock Number 5935-00-257-7420, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-257-7420
Primary Part Number827021
Item NameCover,electrical Connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Furnished ItemsLINK CHAIN
Surface TreatmentCADMIUM
Mounting Facility Type and Quantity1 THREADED COUPLING
Thread Quantity Per Inch20
Attachment Feature Length2.562 INCHES NOMINAL IN
Nominal Thread Size0.750 INCHES IN
Body Height0.938 INCHES NOMINAL IN
Seal TypeGASKET
Overall Diameter0.438 INCHES NOMINAL IN
Size Designation12 AND 12S
Thread Series DesignatorUNEF
Thread DirectionRIGHT-HAND
Thread Class2B
Style DesignatorINTERNAL THREAD W/CHAIN OR ROPE
Eye Inside Diameter0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2540-00-007-484211657158 INTERCHANGEABLE
Cover,fitted,vehicular Body
U S Army Tank Automotive Command Amsta-Im-Mm
5935-00-578-9536 INTERCHANGEABLE
Cover,electrical Connector
5331-01-690-6767976012 INTERCHANGEABLE
O-Ring
Volvo Penta of the Americas Inc
Cross-Reference Index
Part NumberManufacturer
B458862REV5PT3 Rca Corp Distributor and Special Products Div
215B1298 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
B458862REV5PT3 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
BA-10150-3 Amphenol Corp Div Amphenol Aerospace Operations (USA)
9760-12-8C Amphenol Corp Spectra-Strip/itd (USA)
BA-10150-3 Lucent Technologies Inc Advanced Technology Systems (USA)
827021 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
BA-10150-3 Amphenol Corp Spectra-Strip/itd (USA)
9760-12 Amphenol Corp Spectra-Strip/itd (USA)
9760-12-8C Amphenol Corp Div Amphenol Aerospace Operations (USA)
215B1298 Motorola Inc. Dba Integrated Information Systems Group (USA)
12Z7114-1008 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
9760-12 Amphenol Corp Div Amphenol Aerospace Operations (USA)
Related Parts
2540-00-007-4842INTERCHANGEABLE
COVER,FITTED,VEHICULAR BODY
11657158
5935-00-578-9536INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
5331-01-690-6767INTERCHANGEABLE
O-RING
976012

Frequently Asked Questions

What is NSN 5935-00-257-7420?

NSN 5935-00-257-7420 is a Cover,electrical Connector, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-257-7420?

NSN 5935-00-257-7420 has 13 cross-referenced part numbers: B458862REV5PT3 (Rca Corp Distributor and Special Products Div), 215B1298 (General Dynamics Mission Systems, Inc. Dba Gdms), B458862REV5PT3 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), BA-10150-3 (Amphenol Corp Div Amphenol Aerospace Operations), 9760-12-8C (Amphenol Corp Spectra-Strip/itd) and 8 more.

What NSN replaces 5935-00-257-7420?

There are 3 known substitutes for 5935-00-257-7420: 2540-00-007-4842, 5935-00-578-9536, 5331-01-690-6767. Verify interchangeability with system specifications before substitution.

What are the specifications of 827021?

Key specifications for 827021: Furnished Items: LINK CHAIN; Surface Treatment: CADMIUM; Mounting Facility Type and Quantity: 1 THREADED COUPLING; Thread Quantity Per Inch: 20. 15 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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