PartsTable
Technical Data Sheet
11-7305 ✓ Verified by PartsTable
· BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

CHASSIS,ELECTRICAL-ELECTRONIC EQ. Key specifications include material: FIBER OVERALL, corner_shape: SQUARE OUTSIDE RIGHT CORNER, flange_width: 0.1093 INCHES MINIMUM AND 0.1406 INCHES MAXIMUM IN, magnification: 7.0X NOMINAL, overall_length: 0.1562 INCHES NOMINAL IN, special_features: CLOSE NEAR - FOCUS AND CENTER FOCUS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-031-9030, 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
11-7305
NSN: 3120-00-031-9030
FSC: 3120
CAGE: 06987 — FL AEROSPACE CORP JANITROL AERO DIV/GENERAL DESIGN (USA)
SPECIFICATIONS
materialFIBER OVERALL
corner_shapeSQUARE OUTSIDE RIGHT CORNER
flange_width0.1093 INCHES MINIMUM AND 0.1406 INCHES MAXIMUM IN
magnification7.0X NOMINAL
overall_length0.1562 INCHES NOMINAL IN
special_featuresCLOSE NEAR - FOCUS AND CENTER FOCUS
style_designatorSOLID, EXTERNAL FLANGE ONE END
field_view_coverage357FT FT
optical_device_typePRISM
body_inside_diameter0.0710 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM IN
body_outside_diameter0.1250 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM IN
eyepiece_focusing_typeCENTRAL
NSN3120-00-031-9030
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 11-7305 · 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
CORNER SHAPE: SQUARE INSIDE LEFT CORNER
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
FLANGE OUTSIDE DIAMETER: 0.1718 INCHES MINIMUM AND 0.2031 INCHES MAXIMUM IN
MATERIAL: FIBER OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER0.1718 INCHES MINIMUM AND 0.2031 INCHES MAXIMUM IN
MATERIALFIBER OVERALL
BODY OUTSIDE DIAMETER0.1250 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM IN
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
57294Interchangeable
interchangeable cross-reference
interchangeable
117305Interchangeable
interchangeable cross-reference
interchangeable
134218Interchangeable
interchangeable cross-reference
interchangeable
11-8400Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11-7305?
11-7305 is a CHASSIS,ELECTRICAL-ELECTRONIC EQ.
What parts can replace 11-7305?
There are 4 known substitutes for 11-7305: 57294, 117305, 134218 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11-7305?
11-7305 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-031-9030. This indicates validated use in U.S. government and defense supply chains.
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