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280821 — EARPHONE ELEMENT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

280821: EARPHONE ELEMENT.

The EARPHONE ELEMENT is a the manufacturer industrial component. Key specifications include load_rating: 60.0 POUNDS MAXIMUM LBS, flange_width: 2.250 INCHES NOMINAL IN, flange_length: 2.360 INCHES NOMINAL IN, inside_diameter: 1.750 INCHES NOMINAL IN, load/frequency_range: 55 LB LOAD FOR 5 TO 200 HERTZ LBS, end_item_identification: FIELD SIMULATOR AND TRAINING EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 5342-01-090-1450, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
280821
NSN: 5342-01-090-1450
NIINs: 010901450, 014192251, 017105849
FSC: 5342 — Hardware, Weapon System
CAGE: 81860 — HUTCHINSON AEROSPACE & INDUSTRY, INC. DBA BARRY WRIGHT CORP (USA)
SPECIFICATIONS
load_rating60.0 POUNDS MAXIMUM LBS
flange_width2.250 INCHES NOMINAL IN
flange_length2.360 INCHES NOMINAL IN
inside_diameter1.750 INCHES NOMINAL IN
load/frequency_range55 LB LOAD FOR 5 TO 200 HERTZ LBS
end_item_identificationFIELD SIMULATOR AND TRAINING EQUIPMENT
flange_mounting_hole_diameter0.196 INCHES NOMINAL IN
distance_between_mounting_hole_centers2.020 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyAUDIO/VIDEO MOBILE SUPPORTS FIELD TRAINING EVENTS WITH AUDIO/VISUAL COMPONENTS AND IS STORED IN BLDG. 1456
shortest_distance_between_mounting_hole_centers1.100 INCHES NOMINAL IN
NSN5342-01-090-1450
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available EARPHONE ELEMENT TITLE COMPONENT PN 280821 MFR EARPHONE ELEMENT
KEY FEATURES
•
FLANGE MOUNTING HOLE DIAMETER: 0.196 INCHES NOMINAL IN
•
LOAD RATING: 60.0 POUNDS MAXIMUM LBS
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 2.020 INCHES NOMINAL IN
•
FLANGE LENGTH: 2.360 INCHES NOMINAL IN
•
LOAD/FREQUENCY RANGE: 55 LB LOAD FOR 5 TO 200 HERTZ LBS
•
SHORTEST DISTANCE BETWEEN MOUNTING HOLE CENTERS: 1.100 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
FLANGE WIDTH: 2.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE MOUNTING HOLE DIAMETER0.196 INCHES NOMINAL IN
LOAD RATING60.0 POUNDS MAXIMUM LBS
DISTANCE BETWEEN MOUNTING HOLE CENTERS2.020 INCHES NOMINAL IN
FLANGE LENGTH2.360 INCHES NOMINAL IN
LOAD/FREQUENCY RANGE55 LB LOAD FOR 5 TO 200 HERTZ LBS
SHORTEST DISTANCE BETWEEN MOUNTING HOLE CENTERS1.100 INCHES NOMINAL IN
INSIDE DIAMETER1.750 INCHES NOMINAL IN
FLANGE WIDTH2.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
21019345-102Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 280821?
280821 is a EARPHONE ELEMENT.
What parts can replace 280821?
There is 1 known substitute for 280821: 21019345-102. Substitute compatibility should be verified for your specific system.
What is the NSN for 280821?
280821 is cataloged in the U.S. Government catalog under NSN 5342-01-090-1450. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.