L-78 — CROWN,DENTAL,TEMPORARY

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

L-78: CROWN,DENTAL,TEMPORARY.

The CROWN,DENTAL,TEMPORARY is a the manufacturer industrial component. Key specifications include material: SILVER AND TIN, body_style: UNSHIELDED, THREADED POST, TAPERED SEAT, corner_shape: SQUARE LEFT FLANGE BODY CORNER, flange_width: 0.5000 INCHES NOMINAL IN, reach_length: 0.500 INCHES NOMINAL IN, overall_width: 4.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-729-6433, 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

L-78

NSN: 3120-00-729-6433
NIINs: 007296433, 008425579, 011361345, 012602680
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)

SPECIFICATIONS

material	SILVER AND TIN
body_style	UNSHIELDED, THREADED POST, TAPERED SEAT
corner_shape	SQUARE LEFT FLANGE BODY CORNER
flange_width	0.5000 INCHES NOMINAL IN
reach_length	0.500 INCHES NOMINAL IN
overall_width	4.062 INCHES NOMINAL IN
head_thickness	1.750 INCHES NOMINAL IN
overall_length	42.000 INCHES NOMINAL IN
surface_finish	125.0 MICROINCHES OVERALL
drive_end_shape	SQUARE SINGLE END EXTERNAL
electrode_style	SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
special_features	REPLACEMENT CROWNS FOR LOWER RIGHT SECOND MOLAR
NSN	3120-00-729-6433

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 125.0 MICROINCHES OVERALL

•

CORNER SHAPE: SQUARE INSIDE RIGHT CORNER

•

FLANGE OUTSIDE DIAMETER: 2.4970 INCHES MINIMUM AND 2.4990 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	125.0 MICROINCHES OVERALL
CORNER SHAPE	SQUARE INSIDE RIGHT CORNER
CORNER SHAPE	CHAMFERED LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE LEFT FLANGE BODY CORNER
CORNER SHAPE	SQUARE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
CORNER SHAPE	SQUARE INSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER	2.4970 INCHES MINIMUM AND 2.4990 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER	2.3740 INCHES MINIMUM AND 2.3750 INCHES MAXIMUM IN
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END

SUBSTITUTES & CROSS-REFERENCES 3

R845PC12Reference document

Same NSN cross-reference

Reference document — Secondary reference

R851PC12Reference document

Same NSN cross-reference

Reference document — Secondary reference

R869ITEM11Reference document

Same NSN cross-reference

Reference document — Secondary 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 L-78?

L-78 is a CROWN,DENTAL,TEMPORARY.

What parts can replace L-78?

There are 3 known substitutes for L-78: R845PC12, R851PC12, R869ITEM11. Substitute compatibility should be verified for your specific system.

What is the NSN for L-78?

L-78 is cataloged in the U.S. Government catalog under NSN 3120-00-729-6433. This indicates validated use in U.S. government and defense supply chains.

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L-78 — CROWN,DENTAL,TEMPORARY

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