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121575 — TEST SET SUBASSEMBLY,ELECTRICAL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

121575: TEST SET SUBASSEMBLY,ELECTRICAL.

TEST SET SUBASSEMBLY,ELECTRICAL. Key specifications include material: STEEL OVERALL, drive_end_shape: SQUARE SINGLE END INTERNAL, style_designator: INTERNAL-INTERNAL, features_provided: MANUAL TOOL, surface_treatment: OXIDE OVERALL, drive_surface_size: 0.750 INCHES NOMINAL SINGLE END IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-522-5013, 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
121575
NSN: 3120-00-522-5013
NIINs: 005225013, 005432705, 005807365, 011457459
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
drive_end_shapeSQUARE SINGLE END INTERNAL
style_designatorINTERNAL-INTERNAL
features_providedMANUAL TOOL
surface_treatmentOXIDE OVERALL
drive_surface_size0.750 INCHES NOMINAL SINGLE END IN
functional_descriptionUSED WITH TORQUE WRENCH TO TIGHTEN/LOOSEN TRUCK WHEEL BEARING LOCKNUTS
wrenching_surface_size4.875 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape8 POINT SINGLE END INTERNAL
drive_end_outside_diameter5.775 INCHES MAXIMUM IN
wrenching_end_outside_diameter5.775 INCHES MAXIMUM IN
NSN3120-00-522-5013
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 121575 · 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: ROUND INSIDE LEFT CORNER
•
BODY OUTSIDE DIAMETER: 1.0000 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPEROUND INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
CORNER SHAPEROUND INSIDE RIGHT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
BODY OUTSIDE DIAMETER1.0000 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.5800 INCHES MINIMUM AND 1.5900 INCHES MAXIMUM IN
FEATURES PROVIDEDCASEHARDENED
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121575?
121575 is a TEST SET SUBASSEMBLY,ELECTRICAL.
What is the NSN for 121575?
121575 is cataloged in the U.S. Government catalog under NSN 3120-00-522-5013. This indicates validated use in U.S. government and defense supply chains.
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