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H547-1903-18 — NRP,RETAINER,BEARING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

H547-1903-18: NRP,RETAINER,BEARING.

The NRP,RETAINER,BEARING is a the manufacturer industrial component. Key specifications include special_features: QUALITY ASSURANCE TESTED AND CERTIFIED FOR DEEP SUBMERGENCE SYSTEMS, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-604-0319, 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
H547-1903-18
NSN: 3120-01-604-0319
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
special_featuresQUALITY ASSURANCE TESTED AND CERTIFIED FOR DEEP SUBMERGENCE SYSTEMS
criticality_code_justificationFEAT
NSN3120-01-604-0319
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: H547-1903-18 · 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
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESQUALITY ASSURANCE TESTED AND CERTIFIED FOR DEEP SUBMERGENCE SYSTEMS
SUBSTITUTES & CROSS-REFERENCES 8
H547-0001-H5471903-018D4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H547-1903-18D4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H547-0001-H5471903-018Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7383858-H5471903-018D4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
167-7384215-18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
167-7384215-18D4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 H547-1903-18?
H547-1903-18 is a NRP,RETAINER,BEARING.
What parts can replace H547-1903-18?
There are 8 known substitutes for H547-1903-18: H547-0001-H5471903-018D4, H547-1903-18D4, H547-0001-H5471903-018 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H547-1903-18?
H547-1903-18 is cataloged in the U.S. Government catalog under NSN 3120-01-604-0319. 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.