PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10820-1Coupler,directional

Alliant Techsystems Operations Llc Div Defense Electronic Systems · NSN 5985-01-032-7971 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-032-7971 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-032-7971. Primary manufacturer part number: 10820-1.
Features
  • Coupler,directional — FSC 5985
  • Power Loss in Decibels: 10.0
  • Unit Type: COAXIAL LINE
  • Radio Frequency Rating: 10.00 MEGAHERTZ MINIMUM AND 200.0 MEGAHERTZ MAXIMUM
  • Design Type: BIDIRECTIONAL
  • 4 verified cross-references
  • Primary manufacturer: Alliant Techsystems Operations Llc Div Defense Electronic Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-01-032-7971, 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 Alliant Techsystems Operations Llc Div Defense Electronic Systems. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-032-7971
Primary Part Number10820-1
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerAlliant Techsystems Operations Llc Div Defense Electronic Systems
StatusACTIVE
Power Loss in Decibels10.0
Unit TypeCOAXIAL LINE
Radio Frequency Rating10.00 MEGAHERTZ MINIMUM AND 200.0 MEGAHERTZ MAXIMUM
Design TypeBIDIRECTIONAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5985-00-099-3873SA314APX INTERCHANGEABLE
Lobe Switch,antenna
Joint Electronics Type Designation System
5935-00-135-8702108-201-001 INTERCHANGEABLE
Plug,tip
Viking Technologies, Ltd.
5940-00-926-811010-820-1-01 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
1305-01-094-103512556178 INTERCHANGEABLE
Cartridge,25 Millimeter
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Cross-Reference Index
Part NumberManufacturer
R-D3-10-162 Crane Electronics, Inc. Dba Signal Technology Div Olektron (USA)
10820-1 PRIMARY Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA)
247AS-C2502 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
R-D3-10-162 Signal Technology Corporation Div Systems Operation (USA)
Related Parts
5985-00-099-3873INTERCHANGEABLE
LOBE SWITCH,ANTENNA
SA314APX
5935-00-135-8702INTERCHANGEABLE
PLUG,TIP
108-201-001
5940-00-926-8110INTERCHANGEABLE
TERMINAL,STUD
10-820-1-01
1305-01-094-1035INTERCHANGEABLE
CARTRIDGE,25 MILLIMETER
12556178

Frequently Asked Questions

What is NSN 5985-01-032-7971?

NSN 5985-01-032-7971 is a Coupler,directional, manufactured by Alliant Techsystems Operations Llc Div Defense Electronic Systems, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-032-7971?

NSN 5985-01-032-7971 has 4 cross-referenced part numbers: R-D3-10-162 (Crane Electronics, Inc. Dba Signal Technology Div Olektron), 10820-1 (Alliant Techsystems Operations Llc Div Defense Electronic Systems), 247AS-C2502 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), R-D3-10-162 (Signal Technology Corporation Div Systems Operation).

What NSN replaces 5985-01-032-7971?

There are 4 known substitutes for 5985-01-032-7971: 5985-00-099-3873, 5935-00-135-8702, 5940-00-926-8110 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10820-1?

Key specifications for 10820-1: Overall Length: 0.780 INCHES NOMINAL IN; Power Loss in Decibels: 10.0; Unit Type: COAXIAL LINE; Radio Frequency Rating: 10.00 MEGAHERTZ MINIMUM AND 200.0 MEGAHERTZ MAXIMUM. 7 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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