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63672 — CLOSURE ASSEMBLY,MANHOLE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

63672: CLOSURE ASSEMBLY,MANHOLE.

The CLOSURE ASSEMBLY,MANHOLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, corner_shape: SQUARE LEFT FLANGE BODY CORNER, flange_width: 1.5600 INCHES NOMINAL IN, overall_length: 5.7500 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES OVERALL, keyway_dimension: 0.3700 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-555-9683, 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
63672
NSN: 3120-00-555-9683
NIINs: 005559683, 010424996, 013237125, 014207874
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0BR59 — SIEMENS GOVERNMENT TECHNOLOGIES, INC. DBA SGT DRESSER-RAND DIV SGT DRESSER-RAND (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
corner_shapeSQUARE LEFT FLANGE BODY CORNER
flange_width1.5600 INCHES NOMINAL IN
overall_length5.7500 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES OVERALL
keyway_dimension0.3700 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
special_featuresA 0.370 IN. DEEP BY 0.130 IN. W BY 0.740 IN. LG RADIUS CUT BEHIND KEYWAY IN
style_designatorSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
body_inside_diameter1.2500 INCHES NOMINAL IN
body_outside_diameter1.5000 INCHES NOMINAL IN
flange_outside_diameter1.6200 INCHES NOMINAL IN
left_internal_flange_width0.6330 INCHES NOMINAL IN
NSN3120-00-555-9683
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 63672 · 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
•
FLANGE OUTSIDE DIAMETER: 1.5575 INCHES MINIMUM AND 1.5675 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.3755 INCHES MINIMUM AND 1.3760 INCHES MAXIMUM IN
•
END TO FLANGE DISTANCE: 0.3125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE
•
BODY INSIDE DIAMETER: 1.0715 INCHES MINIMUM AND 1.0725 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.1875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER1.5575 INCHES MINIMUM AND 1.5675 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.3755 INCHES MINIMUM AND 1.3760 INCHES MAXIMUM IN
END TO FLANGE DISTANCE0.3125 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE
OVERALL LENGTH1.7500 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.0715 INCHES MINIMUM AND 1.0725 INCHES MAXIMUM IN
FLANGE WIDTH0.1875 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
LA63672Reference 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 63672?
63672 is a CLOSURE ASSEMBLY,MANHOLE.
What parts can replace 63672?
There is 1 known substitute for 63672: LA63672. Substitute compatibility should be verified for your specific system.
What is the NSN for 63672?
63672 is cataloged in the U.S. Government catalog under NSN 3120-00-555-9683. 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.