PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103128Coupler,directional

Aimtron Systems, Llc · NSN 5985-01-075-3749 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-075-3749 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-075-3749. Primary manufacturer part number: 103128.
Features
  • Coupler,directional — FSC 5985
  • Unit Type: COAXIAL LINE
  • 2 verified cross-references
  • Primary manufacturer: Aimtron Systems, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-01-075-3749, 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 Aimtron Systems, Llc. Government technical data includes 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-075-3749
Primary Part Number103128
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerAimtron Systems, Llc
StatusACTIVE
Unit TypeCOAXIAL LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-732-0560 INTERCHANGEABLE
Nut,plain,hexagon
5330-00-935-2008 INTERCHANGEABLE
Seal,nonmetallic Angle
2910-01-022-3967103128 INTERCHANGEABLE
Cover,seal,fuel Pump
Triumph Engine Control Systems Llc
Cross-Reference Index
Part NumberManufacturer
103128 PRIMARY Aimtron Systems, Llc (USA)
103128 Cardion Inc (USA)
Related Parts
5310-00-732-0560INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5330-00-935-2008INTERCHANGEABLE
SEAL,NONMETALLIC ANGLE
2910-01-022-3967INTERCHANGEABLE
COVER,SEAL,FUEL PUMP
103128

Frequently Asked Questions

What is NSN 5985-01-075-3749?

NSN 5985-01-075-3749 is a Coupler,directional, manufactured by Aimtron Systems, Llc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-075-3749?

NSN 5985-01-075-3749 has 2 cross-referenced part numbers: 103128 (Aimtron Systems, Llc), 103128 (Cardion Inc).

What NSN replaces 5985-01-075-3749?

There are 3 known substitutes for 5985-01-075-3749: 5310-00-732-0560, 5330-00-935-2008, 2910-01-022-3967. Verify interchangeability with system specifications before substitution.

What are the specifications of 103128?

Key specifications for 103128: Overall Length: 6.000 INCHES NOMINAL IN; End Item Identification: DME, FA-9639; Special Features: FUNCTION: DIRECTIONAL COUPLER/POWER DIODE; REFERENCE DATA: 1A1A11, TI-6730.1, FA-9639, DME, VOL II, SEC 3-11, PG 8-4; Overall Height: 2.000 INCHES NOMINAL IN. 6 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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