PartsTable
Technical Data Sheet
Download PDF

FG4 — BUR,DENTAL,EXCAVATING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

FG4: BUR,DENTAL,EXCAVATING.

The BUR,DENTAL,EXCAVATING is a the manufacturer industrial component. Key specifications include material: TUNGSTEN CARBIDE HEAD, shank_diameter: 0.0625 INCHES NOMINAL IN, outside_diameter: 2.797 INCHES NOMINAL IN, special_features: FOR USE W/HIGH SPEED DENTAL HANDPIECE, style_designator: CIRCULAR, aperture_diameter: 2.281 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-521-4753, 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
FG4
NSN: 5330-00-521-4753
NIINs: 005214753, 013815063
FSC: 5330 — Packing and Gasket Materials
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialTUNGSTEN CARBIDE HEAD
shank_diameter0.0625 INCHES NOMINAL IN
outside_diameter2.797 INCHES NOMINAL IN
special_featuresFOR USE W/HIGH SPEED DENTAL HANDPIECE
style_designatorCIRCULAR
aperture_diameter2.281 INCHES NOMINAL IN
shank_overall_length0.755 INCHES IN
head_size_designation4
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
handpiece_type_for_which_designedFRICTION GRIP
part_name_assigned_by_controlling_agencyBUR DEN EXCAVATING FRICT GRIP TUNG CARB SZ4 U/W HIGH SPEED 100S
NSN5330-00-521-4753
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: FG4 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: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 2.797 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.281 INCHES NOMINAL IN
•
MATERIAL: CORK OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER2.797 INCHES NOMINAL IN
APERTURE DIAMETER2.281 INCHES NOMINAL IN
MATERIALCORK OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
353143Reference document
Same NSN cross-reference
Reference document — Secondary reference
5214753Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1523128Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
98903Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy FG4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is FG4?
FG4 is a BUR,DENTAL,EXCAVATING.
What parts can replace FG4?
There are 4 known substitutes for FG4: 353143, 5214753, 1523128 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FG4?
FG4 is cataloged in the U.S. Government catalog under NSN 5330-00-521-4753. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — FG4

✓ 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.