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Technical Data Sheet
PartsTable / COMPONENT / 91-4-23-5
91-4-23-5 ✓ 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,FINISHING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SHANK, head_shape: NEEDLE, head_size_designation: 012, handpiece_type_for_which_designed: FRICTION GRIP, part_name_assigned_by_controlling_agency: BUR DENTAL FINISHING ANGLE TUNGSTEN CARB HEAD SZ 7903 NEEDLE 10S. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-534-7874, 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
91-4-23-5
NSN: 5330-00-534-7874
FSC: 5330
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SHANK
head_shapeNEEDLE
head_size_designation012
handpiece_type_for_which_designedFRICTION GRIP
part_name_assigned_by_controlling_agencyBUR DENTAL FINISHING ANGLE TUNGSTEN CARB HEAD SZ 7903 NEEDLE 10S
NSN5330-00-534-7874
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 91-4-23-5 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
•
HOLE DIAMETER: 0.234 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: PAPER AND GLUE OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.234 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALPAPER AND GLUE OVERALL
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
42-7000-300-100Interchangeable
interchangeable cross-reference
interchangeable
230134Interchangeable
interchangeable cross-reference
interchangeable
141201Interchangeable
interchangeable cross-reference
interchangeable
F91D037Interchangeable
interchangeable cross-reference
interchangeable
91-4-23-5Interchangeable
interchangeable cross-reference
interchangeable
H246.31.012Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91-4-23-5?
91-4-23-5 is a BUR,DENTAL,FINISHING.
What parts can replace 91-4-23-5?
There are 9 known substitutes for 91-4-23-5: 42-7000-300-100, 230134, 141201 and 6 more. Substitute compatibility should be verified for your specific system.
Is 91-4-23-5 still available?
91-4-23-5 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026