PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121SCAV154-3Coupler,antenna

Northrop Grumman Systems Corporation · NSN 5985-00-110-8655 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-110-8655 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-110-8655. Primary manufacturer part number: 121SCAV154-3.
Features
  • Coupler,antenna — FSC 5985
  • Terminal Type: CONNECTOR, RECEPTACLE AND RF CONNECTOR
  • Coupling Method: ELECTRONIC
  • Material: ALUMINUM ALLOY CASE
  • Power Rating: 1.0 MILLIWATTS NOMINAL
  • Tuning Type: FIXED
  • Voltage Rating: 28.0 VOLTS NOMINAL
  • Current Type: DC
Applications
  • Applications requiring Aluminum Alloy Case construction
General Description

The Coupler,antenna, cataloged under National Stock Number 5985-00-110-8655, 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 Northrop Grumman Systems Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5985-00-110-8655
Primary Part Number121SCAV154-3
Item NameCoupler,antenna
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Terminal TypeCONNECTOR, RECEPTACLE AND RF CONNECTOR
Coupling MethodELECTRONIC
MaterialALUMINUM ALLOY CASE
Power Rating1.0 MILLIWATTS NOMINAL
Tuning TypeFIXED
Voltage Rating28.0 VOLTS NOMINAL
Current TypeDC
Terminal Quantity1 AND 5
Mounting ConfigurationTHREE 0.193 IN. DIA MTG HOLES EQUALLY SPACED EACH END ON6.822 IN. CENTER IN
Radio Frequency Rating162.0 MEGAHERTZ MINIMUM AND 174.0 MEGAHERTZ MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-011-8537SAE J512 4 010111B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
8040-00-063-138710-327 INTERCHANGEABLE
Adhesive
Gc/waldom Inc
3120-00-066-1388364873-00 INTERCHANGEABLE
Bushing,sleeve
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5310-00-087-4652 INTERCHANGEABLE
Nut,self-Locking,hexagon
5905-00-089-1826433399 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cae Usa Inc.
5920-00-280-8344 INTERCHANGEABLE
Fuse,cartridge
4730-00-289-4619 INTERCHANGEABLE
Trap,steam
2815-00-428-6162140391 INTERCHANGEABLE
Cover
Cummins Inc.
5820-00-547-7874SM-B-148707 INTERCHANGEABLE
Selector Control Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6220-00-674-226310324 INTERCHANGEABLE
Plate Assembly,rectifier
Grimes Aerospace Company
Cross-Reference Index
Part NumberManufacturer
121SCAV154-3 Northrop Grumman Systems Corporation (USA)
91781 Whittaker Corp Whittaker Electronic Systems Div (USA)
10324 Whittaker Corp Whittaker Electronic Systems Div (USA)
CU2069A Joint Electronics Type Designation System (USA)
Related Parts
4730-00-011-8537INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J512 4 010111B
8040-00-063-1387INTERCHANGEABLE
ADHESIVE
10-327
3120-00-066-1388INTERCHANGEABLE
BUSHING,SLEEVE
364873-00
5310-00-087-4652INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5905-00-089-1826INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
433399
5920-00-280-8344INTERCHANGEABLE
FUSE,CARTRIDGE
4730-00-289-4619INTERCHANGEABLE
TRAP,STEAM
2815-00-428-6162INTERCHANGEABLE
COVER
140391
5820-00-547-7874INTERCHANGEABLE
SELECTOR CONTROL SUBASSEMBLY
SM-B-148707
6220-00-674-2263INTERCHANGEABLE
PLATE ASSEMBLY,RECTIFIER
10324
5950-00-874-1050INTERCHANGEABLE
TRANSFORMER,POWER
10324
4730-00-874-9016INTERCHANGEABLE
PLATE AND BRIDGE ASSEMBLY
2160

Frequently Asked Questions

What is NSN 5985-00-110-8655?

NSN 5985-00-110-8655 is a Coupler,antenna, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-110-8655?

NSN 5985-00-110-8655 has 4 cross-referenced part numbers: 121SCAV154-3 (Northrop Grumman Systems Corporation), 91781 (Whittaker Corp Whittaker Electronic Systems Div), 10324 (Whittaker Corp Whittaker Electronic Systems Div), CU2069A (Joint Electronics Type Designation System).

What NSN replaces 5985-00-110-8655?

There are 12 known substitutes for 5985-00-110-8655: 4730-00-011-8537, 8040-00-063-1387, 3120-00-066-1388 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121SCAV154-3?

Key specifications for 121SCAV154-3: Terminal Type: CONNECTOR, RECEPTACLE AND RF CONNECTOR; Coupling Method: ELECTRONIC; Material: ALUMINUM ALLOY CASE; Power Rating: 1.0 MILLIWATTS NOMINAL. 13 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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