PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9900Cover,electrical Connector

Amphenol Corporation Div Amphenol Rf · NSN 5935-01-012-3998 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-012-3998 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-012-3998. Primary manufacturer part number: 9900.
Features
  • Cover,electrical Connector — FSC 5935
  • Thread Class: 2B
  • Thread Direction: RIGHT-HAND
  • Style Designator: INTERNAL THREADS
  • Precious Material and Location: BODY SURFACES SILVER
  • Surface Treatment: SILVER
  • Thread Series Designator: UNEF
  • Mounting Facility Type and Quantity: 1 THREADED COUPLING
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Cover,electrical Connector, cataloged under National Stock Number 5935-01-012-3998, 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 Amphenol Corporation Div Amphenol Rf. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5935-01-012-3998
Primary Part Number9900
Item NameCover,electrical Connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerAmphenol Corporation Div Amphenol Rf
StatusACTIVE
Thread Class2B
Thread DirectionRIGHT-HAND
Style DesignatorINTERNAL THREADS
Precious Material and LocationBODY SURFACES SILVER
Surface TreatmentSILVER
Thread Series DesignatorUNEF
Mounting Facility Type and Quantity1 THREADED COUPLING
Nominal Thread Size0.750 INCHES IN
Body Height3.151 INCHES MINIMUM AND 3.161 INCHES MAXIMUM IN
Criticality Code JustificationFEAT
Size DesignationHN
Seal TypeGASKET
Overall Diameter0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-117-06931207-B INTERCHANGEABLE
Bearing,roller,cylindrical
Regal Beloit America, Inc. Dba Rollway Bearing
6220-00-133-33179142244 INTERCHANGEABLE
Headlight
Sicard a Division of Smi-Snowblast Inc Dba Sicard
5365-00-337-10809900 INTERCHANGEABLE
Bushing,valve Body
Northrop Grumman Systems Corporation Div Marine Systems
5962-00-482-0918 INTERCHANGEABLE
Microcircuit,digital
6625-01-022-96049900 INTERCHANGEABLE
Test Set,transformer
Guildline Instruments Ltd
5330-01-109-19159900 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5950-01-153-264812700424 INTERCHANGEABLE
Transformer Assembly
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
4240-01-247-56868271 INTERCHANGEABLE
Mask,air Filtering
3m Company
3610-01-247-71209900 INTERCHANGEABLE
Duplicating Machine,offset Proce
Xerox Corporation
7040-01-256-6015 INTERCHANGEABLE
Controller,signal
Cross-Reference Index
Part NumberManufacturer
L01851 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
9900 PRIMARY Amphenol Corporation Div Amphenol Rf (USA)
Related Parts
3110-00-117-0693INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
1207-B
6220-00-133-3317INTERCHANGEABLE
HEADLIGHT
9142244
5365-00-337-1080INTERCHANGEABLE
BUSHING,VALVE BODY
9900
5962-00-482-0918INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6625-01-022-9604INTERCHANGEABLE
TEST SET,TRANSFORMER
9900
5330-01-109-1915INTERCHANGEABLE
SEAL,PLAIN ENCASED
9900
5950-01-153-2648INTERCHANGEABLE
TRANSFORMER ASSEMBLY
12700424
4240-01-247-5686INTERCHANGEABLE
MASK,AIR FILTERING
8271
3610-01-247-7120INTERCHANGEABLE
DUPLICATING MACHINE,OFFSET PROCE
9900
7040-01-256-6015INTERCHANGEABLE
CONTROLLER,SIGNAL
7490-01-260-4533INTERCHANGEABLE
EMBOSSING MACHINE
9900
6150-01-286-7361INTERCHANGEABLE
LEAD,ELECTRICAL
9900

Frequently Asked Questions

What is NSN 5935-01-012-3998?

NSN 5935-01-012-3998 is a Cover,electrical Connector, manufactured by Amphenol Corporation Div Amphenol Rf, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-01-012-3998?

NSN 5935-01-012-3998 has 2 cross-referenced part numbers: L01851 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 9900 (Amphenol Corporation Div Amphenol Rf).

What NSN replaces 5935-01-012-3998?

There are 12 known substitutes for 5935-01-012-3998: 3110-00-117-0693, 6220-00-133-3317, 5365-00-337-1080 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9900?

Key specifications for 9900: Thread Class: 2B; Thread Direction: RIGHT-HAND; Style Designator: INTERNAL THREADS; Precious Material and Location: BODY SURFACES SILVER. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com