PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

312ECoupler,directional

Omega Laboratories Inc · NSN 5985-01-418-6875 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-418-6875 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-418-6875. Primary manufacturer part number: 312E.
Features
  • Coupler,directional — FSC 5985
  • Radio Frequency Rating: 2.6 GIGAHERTZ MINIMUM AND 3.9 GIGAHERTZ MAXIMUM
  • Unit Type: WAVEGUIDE
  • 1 verified cross-reference
  • Primary manufacturer: Omega Laboratories Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-01-418-6875, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Omega Laboratories Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-418-6875
Primary Part Number312E
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerOmega Laboratories Inc
StatusACTIVE
Radio Frequency Rating2.6 GIGAHERTZ MINIMUM AND 3.9 GIGAHERTZ MAXIMUM
Unit TypeWAVEGUIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-279-4233 INTERCHANGEABLE
Resistor,fixed,wire Wound
2920-01-164-778012002080 INTERCHANGEABLE
Lead,ignition,engine
Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02
Cross-Reference Index
Part NumberManufacturer
312E PRIMARY Omega Laboratories Inc (USA)
Related Parts
5905-00-279-4233INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2920-01-164-7780INTERCHANGEABLE
LEAD,IGNITION,ENGINE
12002080

Frequently Asked Questions

What is NSN 5985-01-418-6875?

NSN 5985-01-418-6875 is a Coupler,directional, manufactured by Omega Laboratories Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-418-6875?

NSN 5985-01-418-6875 has 1 cross-referenced part number: 312E (Omega Laboratories Inc).

What NSN replaces 5985-01-418-6875?

There are 2 known substitutes for 5985-01-418-6875: 5905-00-279-4233, 2920-01-164-7780. Verify interchangeability with system specifications before substitution.

What are the specifications of 312E?

Key specifications for 312E: Overall Length: 50.250 INCHES NOMINAL IN; Overall Height: 9.180 INCHES NOMINAL IN; Special Features: WAVEGUIDE SIZE WR-284; FLANGE UG-53/U; COUPLING 20 DB DB; Radio Frequency Rating: 2.6 GIGAHERTZ MINIMUM AND 3.9 GIGAHERTZ MAXIMUM. 5 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