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Technical Data Sheet
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B-90937 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

B-90937: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include end_item_identification: 1005-01-553-5196 M39 ENHANCED MARKSMAN RIFLE, part_name_assigned_by_controlling_agency: FRONT SLING ATTACHMENT SCREW. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-254-5341, 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
B-90937
NSN: 3120-01-254-5341
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
end_item_identification1005-01-553-5196 M39 ENHANCED MARKSMAN RIFLE
part_name_assigned_by_controlling_agencyFRONT SLING ATTACHMENT SCREW
NSN3120-01-254-5341
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: B-90937 · 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 B-90937?
B-90937 is a BEARING,SLEEVE.
What is the NSN for B-90937?
B-90937 is cataloged in the U.S. Government catalog under NSN 3120-01-254-5341. This indicates validated use in U.S. government and defense supply chains.
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