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187973PC16 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

187973PC16: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 923 AND COPPER ALLOY 903 OVERALL, corner_shape: SQUARE INSIDE LEFT CORNER, hole_diameter: 0.1250 INCHES NOMINAL FIRST IN, overall_length: 2.4850 INCHES MINIMUM AND 2.5150 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-216-7711, 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
187973PC16
NSN: 3120-00-216-7711
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 88663 — DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 923 AND COPPER ALLOY 903 OVERALL
corner_shapeSQUARE INSIDE LEFT CORNER
hole_diameter0.1250 INCHES NOMINAL FIRST IN
overall_length2.4850 INCHES MINIMUM AND 2.5150 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter2.0000 INCHES MINIMUM AND 2.0001 INCHES MAXIMUM IN
body_outside_diameter2.3765 INCHES MINIMUM AND 2.3770 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED CIRCULAR
material_document_and_classificationMIL-B-16540,GRADE A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_groove_location_and_quantity1 EXTERNAL AND 2 INTERNAL
antirotation/lubrication_type_and_quantity8 HOLE
NSN3120-00-216-7711
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 187973PC16 · 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 RIGHT END SURFACE OF BODY
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
BODY OUTSIDE DIAMETER2.3765 INCHES MINIMUM AND 2.3770 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
SUBSTITUTES & CROSS-REFERENCES 9
185416PC16Reference document
Same NSN cross-reference
Reference document — Secondary reference
185449PC16Reference document
Same NSN cross-reference
Reference document — Secondary reference
166345PC16Reference document
Same NSN cross-reference
Reference document — Secondary reference
166353PC16Reference document
Same NSN cross-reference
Reference document — Secondary reference
184234PC16Reference document
Same NSN cross-reference
Reference document — Secondary reference
188283PC16Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 187973PC16?
187973PC16 is a BEARING,SLEEVE.
What parts can replace 187973PC16?
There are 9 known substitutes for 187973PC16: 185416PC16, 185449PC16, 166345PC16 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 187973PC16?
187973PC16 is cataloged in the U.S. Government catalog under NSN 3120-00-216-7711. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.