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384128 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The BUR,DENTAL,EXCAVATING is a the manufacturer industrial component. Key specifications include material: TUNGSTEN CARBIDE HEAD, end_shape: FLAT OR ROUND, head_shape: STRAIGHT FISSURE, special_features: LATCH, head_size_designation: 558, part_name_assigned_by_controlling_agency: BUR DENTAL EXCAVATING ANGLE HANDPIECE TUNG CARB SZ 558 10S. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-442-4122, 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
384128
NSN: 5330-00-442-4122
FSC: 5330
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
materialTUNGSTEN CARBIDE HEAD
end_shapeFLAT OR ROUND
head_shapeSTRAIGHT FISSURE
special_featuresLATCH
head_size_designation558
part_name_assigned_by_controlling_agencyBUR DENTAL EXCAVATING ANGLE HANDPIECE TUNG CARB SZ 558 10S
NSN5330-00-442-4122
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 384128 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.014 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3232 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.014 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3232 ASSN STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL LENGTH1.557 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN
OVERALL WIDTH1.496 INCHES MINIMUM AND 1.506 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
3-8 4-128Interchangeable
interchangeable cross-reference
interchangeable
8642734Interchangeable
interchangeable cross-reference
interchangeable
14769Interchangeable
interchangeable cross-reference
interchangeable
LA 558Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 384128?
384128 is a BUR,DENTAL,EXCAVATING.
What parts can replace 384128?
There are 4 known substitutes for 384128: 3-8 4-128, 8642734, 14769 and 1 more. Substitute compatibility should be verified for your specific system.
Is 384128 still available?
384128 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026