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L-54 — DRILL,MASONRY,ROTARY DRIVEN

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

L-54: DRILL,MASONRY,ROTARY DRIVEN.

The DRILL,MASONRY,ROTARY DRIVEN is a the manufacturer industrial component. Key specifications include material: SILVER AND TIN, shank_style: STRAIGHT ROUND, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.1495 INCHES NOMINAL FIRST IN, overall_length: 4.000 INCHES NOMINAL IN, shank_diameter: 0.171 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-540-7363, 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-54
NSN: 3120-00-540-7363
NIINs: 005407363, 009343369, 012485438, 014563648
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSILVER AND TIN
shank_styleSTRAIGHT ROUND
corner_shapeSQUARE ALL CORNERS
hole_diameter0.1495 INCHES NOMINAL FIRST IN
overall_length4.000 INCHES NOMINAL IN
shank_diameter0.171 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES OVERALL
hardness_rating40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
special_featuresREPLACEMENT SECOND BICUSPID LOWER RIGHT
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
cutting_end_styleSINGLE BIT FLUTED CORELESS MASONRY
tooth_configurationBICUSPID
NSN3120-00-540-7363
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: L-54 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16261,GRADE 1,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 1.3750 INCHES MINIMUM AND 1.3760 INCHES MAXIMUM IN
•
LUBRICANT ACCOMMODATION STYLE: GROOVED CLOSED BOTH ENDS AND GROOVED CIRCULAR
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OVERALL
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261,GRADE 1,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH3.5000 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.3750 INCHES MINIMUM AND 1.3760 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLEGROOVED CLOSED BOTH ENDS AND GROOVED CIRCULAR
ANTIROTATION/LUBRICATION TYPE AND QUANTITY3 HOLE AND 2 HOLE
MATERIALCOPPER ALLOY 941 OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
3317912PC14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
R508REVAITEM2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
R504REVAPC23Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
586-516-1720811REVAPC23Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
R502REVA1PC14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3297334REVA1PC14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is L-54?
L-54 is a DRILL,MASONRY,ROTARY DRIVEN.
What parts can replace L-54?
There are 9 known substitutes for L-54: 3317912PC14, R508REVAITEM2, R504REVAPC23 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L-54?
L-54 is cataloged in the U.S. Government catalog under NSN 3120-00-540-7363. This indicates validated use in U.S. government and defense supply chains.
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