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12Z10003-364 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

12Z10003-364: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL, special_features: LUBRICATION MATERIAL LUBRICATING OIL, MIL-L-17331, SYMBOL 2190, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-941-2259, 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
12Z10003-364
NSN: 3120-00-941-2259
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
special_featuresLUBRICATION MATERIAL LUBRICATING OIL, MIL-L-17331, SYMBOL 2190
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
body_outside_diameter1.2530 INCHES MINIMUM AND 1.2540 INCHES MAXIMUM IN
material_document_and_classificationMIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-941-2259
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 12Z10003-364 · 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
•
BODY OUTSIDE DIAMETER: 1.2530 INCHES MINIMUM AND 1.2540 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.2530 INCHES MINIMUM AND 1.2540 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
SPECIAL FEATURESLUBRICATION MATERIAL LUBRICATING OIL, MIL-L-17331, SYMBOL 2190
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
A-1204-7Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
4010405Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
MS17795Reference document
Same NSN cross-reference
Reference document — Identification reference
NAS76Reference document
Same NSN cross-reference
Reference document — Secondary reference
642175Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
MS17795-141Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12Z10003-364?
12Z10003-364 is a BEARING,SLEEVE.
What parts can replace 12Z10003-364?
There are 7 known substitutes for 12Z10003-364: A-1204-7, 4010405, MS17795 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12Z10003-364?
12Z10003-364 is cataloged in the U.S. Government catalog under NSN 3120-00-941-2259. 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.