PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST5800358-111900-21Cover,electrical Connector

Hensoldt Optronics Gmbh · NSN 5935-00-257-7581 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-257-7581 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-257-7581. Primary manufacturer part number: ST5800358-111900-21.
Features
  • Cover,electrical Connector — FSC 5935
  • Overall Diameter: 1.125 INCHES MAXIMUM IN
  • Mounting Facility Type and Quantity: 1 THREADED COUPLING
  • Nominal Thread Size: 0.875 INCHES IN
  • Seal Type: GASKET
  • Thread Series Designator: UNEF
  • Test Data Document: 81349-MILC5015 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Style Designator: INTERNAL THREAD W/CHAIN OR ROPE
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Cover,electrical Connector, cataloged under National Stock Number 5935-00-257-7581, 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 Hensoldt Optronics Gmbh. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-257-7581
Primary Part NumberST5800358-111900-21
Item NameCover,electrical Connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerHensoldt Optronics Gmbh
StatusCANCELLED
Overall Diameter1.125 INCHES MAXIMUM IN
Mounting Facility Type and Quantity1 THREADED COUPLING
Nominal Thread Size0.875 INCHES IN
Seal TypeGASKET
Thread Series DesignatorUNEF
Test Data Document81349-MILC5015 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Style DesignatorINTERNAL THREAD W/CHAIN OR ROPE
Body Height0.469 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Specification/standard Data81349-MIL-C-5015 GOVERNMENT SPECIFICATION
Thread Class2B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5935-01-181-6651MS25043-14DA INTERCHANGEABLE
Cover,electrical Connector
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
ST5800358-111900-21 Hensoldt Optronics Gmbh (DEU)
ST5800358-111900-21 Eltro Gmbhgesellschaft Fuer Strahlungstechnik (DEU)
MS25043-14C Autoflug Gmbh - Geschaftsbereich Optik (DEU)
MILC5015 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ST5800358-111900-21 Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke (DEU)
1131636 Smiths Detection Inc. Dba Smiths Detection Inc Casc (USA)
MS25043-14C Itt Cannon Gesellschaft Mit Beschrankter Haftung (DEU)
1112027 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
10-1162-560-00 Hensoldt Sensors Gmbh Div Seps (DEU)
MS25043-14C Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
10-1162-56-00-0 Hensoldt Sensors Gmbh Div Seps (DEU)
Related Parts
5935-01-181-6651INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
MS25043-14DA

Frequently Asked Questions

What is NSN 5935-00-257-7581?

NSN 5935-00-257-7581 is a Cover,electrical Connector, manufactured by Hensoldt Optronics Gmbh, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-257-7581?

NSN 5935-00-257-7581 has 11 cross-referenced part numbers: ST5800358-111900-21 (Hensoldt Optronics Gmbh), ST5800358-111900-21 (Eltro Gmbhgesellschaft Fuer Strahlungstechnik), MS25043-14C (Autoflug Gmbh - Geschaftsbereich Optik), MILC5015 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ST5800358-111900-21 (Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke) and 6 more.

What NSN replaces 5935-00-257-7581?

There is 1 known substitute for 5935-00-257-7581: 5935-01-181-6651. Verify interchangeability with system specifications before substitution.

What are the specifications of ST5800358-111900-21?

Key specifications for ST5800358-111900-21: Overall Diameter: 1.125 INCHES MAXIMUM IN; Mounting Facility Type and Quantity: 1 THREADED COUPLING; Nominal Thread Size: 0.875 INCHES IN; Seal Type: GASKET. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-257-7581 still in active supply?

NSN 5935-00-257-7581 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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