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Technical Data Sheet

BM1.50/1.50 — TORIC MOLD,GLASS BACK

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

BM1.50/1.50: TORIC MOLD,GLASS BACK.

The TORIC MOLD,GLASS BACK is a the manufacturer industrial component. Key specifications include special_features: REPLACEMENT COMPONENT/GLSBM-180 SYSTEM, GLASS BACK MOLDS, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, end_item_identification: 6540-01-507-3503, GLSBM-180, GLASS BACK MOLD SET, part_name_assigned_by_controlling_agency: MOLD TORIC GLASS BACK 1.50/1.50. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-257-4379, 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
BM1.50/1.50
NSN: 3120-01-257-4379
NIINs: 012574379, 015081651
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 12177 — WAIN-ROY CO INC (USA)
SPECIFICATIONS
special_featuresREPLACEMENT COMPONENT/GLSBM-180 SYSTEM, GLASS BACK MOLDS
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
end_item_identification6540-01-507-3503, GLSBM-180, GLASS BACK MOLD SET
part_name_assigned_by_controlling_agencyMOLD TORIC GLASS BACK 1.50/1.50
NSN3120-01-257-4379
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: BM1.50/1.50 · 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
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
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 BM1.50/1.50?
BM1.50/1.50 is a TORIC MOLD,GLASS BACK.
What is the NSN for BM1.50/1.50?
BM1.50/1.50 is cataloged in the U.S. Government catalog under NSN 3120-01-257-4379. 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.