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650AS187-1 — RETAINER,BEARING,SUB-ASSEMBLY

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

650AS187-1: RETAINER,BEARING,SUB-ASSEMBLY.

The RETAINER,BEARING,SUB-ASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL ALLOY MIL-S-7393,TYPE 9310,8.750 IN. DIA,1.057 IN.

H IN. This part is cataloged in the U.S. Government catalog under NSN 3120-01-084-0844, 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
650AS187-1
NSN: 3120-01-084-0844
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL ALLOY MIL-S-7393,TYPE 9310,8.750 IN. DIA,1.057 IN. H IN
NSN3120-01-084-0844
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 650AS187-1 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL ALLOY MIL-S-7393,TYPE 9310,8.750 IN. DIA,1.057 IN. H IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL ALLOY MIL-S-7393,TYPE 9310,8.750 IN. DIA,1.057 IN. H IN
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
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 650AS187-1?
650AS187-1 is a RETAINER,BEARING,SUB-ASSEMBLY.
What is the NSN for 650AS187-1?
650AS187-1 is cataloged in the U.S. Government catalog under NSN 3120-01-084-0844. 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.