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21732 PIECE 28 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

21732 PIECE 28: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, regulation_type: AUTOMATIC SINGLE STAGE, flow_control_device: DIAPHRAGM, valve_loading_method: SPRING, end_item_identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-260-8848, 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
21732 PIECE 28
NSN: 3120-01-260-8848
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 29899 — CALGON CARBON UV TECHNOLOGIES LLC DBA HYDE MARINE (USA)
SPECIFICATIONS
materialSTEEL FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
regulation_typeAUTOMATIC SINGLE STAGE
flow_control_deviceDIAPHRAGM
valve_loading_methodSPRING
end_connection_quantity2
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
first_end_connection_typeTHREADED INTERNAL PIPE
first_end_style_designatorPLAIN
first_end_thread_directionRIGHT-HAND
material_document_and_classificationUNABLE TO DECODE
second_end_relationship_with_first_endIDENTICAL
NSN3120-01-260-8848
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 21732 PIECE 28 · 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 21732 PIECE 28?
21732 PIECE 28 is a BEARING,SLEEVE.
What is the NSN for 21732 PIECE 28?
21732 PIECE 28 is cataloged in the U.S. Government catalog under NSN 3120-01-260-8848. 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.