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Technical Data Sheet
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88274 ✓ Verified by PartsTable
Clementoni · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The EARPHONE is a Clementoni industrial component. Key specifications include material: STEEL, thickness: 0.057 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN, terminal_type: SCREW, shell_material: PLASTIC EARPHONE, furnished_items: EAR CUSHION, mounting_method: SCREW PLATE ON CASE BACK EARPHONE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-429-7622, 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
88274
NSN: 4730-00-429-7622
FSC: 4730
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
materialSTEEL
thickness0.057 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
terminal_typeSCREW
shell_materialPLASTIC EARPHONE
furnished_itemsEAR CUSHION
mounting_methodSCREW PLATE ON CASE BACK EARPHONE
style_designatorROUND (BASICALLY FLAT)
terminal_locationEXTERNAL
terminal_quantity2
perforation_diameter0.094 INCHES NOMINAL IN
perforation_quantity36.0 PER SQUARE INCH
earphone_element_typeDYNAMIC
NSN4730-00-429-7622
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 88274 · Clementoni ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
ELEMENT OUTSIDE DIAMETER: 1.453 INCHES MINIMUM AND 1.468 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND (BASICALLY FLAT)
•
PERFORATION QUANTITY: 36.0 PER SQUARE INCH
•
MATERIAL: STEEL
•
FILTERING MEDIA DESIGN: PERFORATED
•
THICKNESS: 0.057 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
PERFORATION DIAMETER: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ELEMENT OUTSIDE DIAMETER1.453 INCHES MINIMUM AND 1.468 INCHES MAXIMUM IN
STYLE DESIGNATORROUND (BASICALLY FLAT)
PERFORATION QUANTITY36.0 PER SQUARE INCH
MATERIALSTEEL
FILTERING MEDIA DESIGNPERFORATED
END ITEM IDENTIFICATIONBACK HEAD AND UPPER CYLINDER GROUP,BREAKER,PAVING,PNEUMATIC
THICKNESS0.057 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
PERFORATION DIAMETER0.094 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
43510Interchangeable
interchangeable cross-reference
interchangeable
S19Interchangeable
interchangeable cross-reference
interchangeable
1897 5/8X1/2X1-3/8X3-3/8Interchangeable
interchangeable cross-reference
interchangeable
683RH-5/8-1/2SInterchangeable
interchangeable cross-reference
interchangeable
88274Interchangeable
interchangeable cross-reference
interchangeable
43510-Y-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 88274?
88274 is a EARPHONE manufactured by Clementoni.
What parts can replace 88274?
There are 7 known substitutes for 88274: 43510, S19, 1897 5/8X1/2X1-3/8X3-3/8 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 88274?
88274 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-429-7622. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026