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123CSM10048 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

123CSM10048: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, flange_width: 0.0480 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN, overall_length: 0.1040 INCHES MINIMUM AND 0.1090 INCHES MAXIMUM IN, hardness_rating: 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL, style_designator: BLANK, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.3680 INCHES MINIMUM AND 0.3700 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-311-4716, 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
123CSM10048
NSN: 3120-01-311-4716
NIINs: 013114716, 015289591
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
flange_width0.0480 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN
overall_length0.1040 INCHES MINIMUM AND 0.1090 INCHES MAXIMUM IN
hardness_rating33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
style_designatorBLANK, EXTERNAL FLANGE ONE END
body_inside_diameter0.3680 INCHES MINIMUM AND 0.3700 INCHES MAXIMUM IN
body_outside_diameter0.5007 INCHES MINIMUM AND 0.5012 INCHES MAXIMUM IN
end_item_identificationE-2A; CONTROL SURFACES OUTBOARD RUDDER ATTCH-FITTING A
flange_outside_diameter0.7500 INCHES NOMINAL IN
material_document_and_classification6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyINAVY: BUSHING ASSEMBLY
NSN3120-01-311-4716
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 123CSM10048 · 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 ALL CORNERS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FLANGE OUTSIDE DIAMETER: 0.7500 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.5007 INCHES MINIMUM AND 0.5012 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.3680 INCHES MINIMUM AND 0.3700 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FLANGE OUTSIDE DIAMETER0.7500 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.5007 INCHES MINIMUM AND 0.5012 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.2740 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.3680 INCHES MINIMUM AND 0.3700 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
FLANGE WIDTH0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
123CSM10048-531Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 123CSM10048?
123CSM10048 is a BUSHING,SLEEVE.
What parts can replace 123CSM10048?
There is 1 known substitute for 123CSM10048: 123CSM10048-531. Substitute compatibility should be verified for your specific system.
What is the NSN for 123CSM10048?
123CSM10048 is cataloged in the U.S. Government catalog under NSN 3120-01-311-4716. This indicates validated use in U.S. government and defense supply chains.
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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.