PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21035Coupling,waveguide

Frontgrade Technologies Inc. · NSN 5985-01-287-3135 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-287-3135 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-287-3135. Primary manufacturer part number: 21035.
Features
  • Coupling,waveguide — FSC 5985
  • Style Designator: ROUND
  • 3 verified cross-references
  • Primary manufacturer: Frontgrade Technologies Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,waveguide, cataloged under National Stock Number 5985-01-287-3135, 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 Frontgrade Technologies Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-287-3135
Primary Part Number21035
Item NameCoupling,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerFrontgrade Technologies Inc.
StatusACTIVE
Style DesignatorROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5360-00-246-7004BW202588 INTERCHANGEABLE
Spring,helical,compression
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5905-00-324-6961210-35 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
3120-00-418-4230BB55S59-0149PC55 INTERCHANGEABLE
Bearing,sleeve
Naval Ship Systems Command
3610-00-500-5966 INTERCHANGEABLE
Worm,vibrator Roll
2990-00-545-1856 INTERCHANGEABLE
Seal Assy,governor,
5996-00-860-9658250440 INTERCHANGEABLE
Amplifier,electronic Control
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
5340-01-066-931421035 INTERCHANGEABLE
Cover,access
Paccar Winch Inc Dba Paccar Winch Division
5120-01-132-7625DWG5120-01-132-7625 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
5340-01-174-275121-035 INTERCHANGEABLE
Clamp,loop
Hess Manufacturing Inc Div Blast-It-All
3110-01-295-4078592D INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
21035 Frontgrade Technologies Inc. (USA)
21035 Kevlin Corporation Dba Cobham Sensor Systems Div Kevlin Division (USA)
250440 Scientific Atlanta Inc (USA)
Related Parts
5360-00-246-7004INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
BW202588
5905-00-324-6961INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
210-35
3120-00-418-4230INTERCHANGEABLE
BEARING,SLEEVE
BB55S59-0149PC55
3610-00-500-5966INTERCHANGEABLE
WORM,VIBRATOR ROLL
2990-00-545-1856INTERCHANGEABLE
SEAL ASSY,GOVERNOR,
5996-00-860-9658INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
250440
5340-01-066-9314INTERCHANGEABLE
COVER,ACCESS
21035
5120-01-132-7625INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
DWG5120-01-132-7625
5340-01-174-2751INTERCHANGEABLE
CLAMP,LOOP
21-035
3110-01-295-4078INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
592D
2910-01-556-4579INTERCHANGEABLE
BOWL,SEDIMENT
21035

Frequently Asked Questions

What is NSN 5985-01-287-3135?

NSN 5985-01-287-3135 is a Coupling,waveguide, manufactured by Frontgrade Technologies Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-287-3135?

NSN 5985-01-287-3135 has 3 cross-referenced part numbers: 21035 (Frontgrade Technologies Inc.), 21035 (Kevlin Corporation Dba Cobham Sensor Systems Div Kevlin Division), 250440 (Scientific Atlanta Inc).

What NSN replaces 5985-01-287-3135?

There are 11 known substitutes for 5985-01-287-3135: 5360-00-246-7004, 5905-00-324-6961, 3120-00-418-4230 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21035?

Key specifications for 21035: End Item Identification: GPS/GROUND ANTENNA,HARRIS CORP; Style Designator: ROUND. 2 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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