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Technical Data Sheet
PartsTable / COMPONENT / P52-7
P52-7 ✓ 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

The BRACKET,NOSE LANDING GEAR is a the manufacturer industrial component. Key specifications include color: YELLOW, material: STEEL OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 6.000 INCHES MINIMUM AND 8.000 INCHES MAXIMUM IN, hardness_rating: 30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL, outside_diameter: 0.355 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-055-2304, 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
P52-7
NSN: 3120-00-055-2304
FSC: 3120
CAGE: 71366 — BUNTING BEARINGS CORP (USA)
SPECIFICATIONS
colorYELLOW
materialSTEEL OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length6.000 INCHES MINIMUM AND 8.000 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL
outside_diameter0.355 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
special_featuresFOR GENERAL USE AS A CORROSION INHIBITIVE, CHEMICAL RESISTANT, STRIPPABLE PRIMER
style_designatorSTRAIGHT SOLID W/RETAINER
gloss_designationFLAT
rated_drying_time5.000 HOURS MAXIMUM
surface_treatmentOXIDE AND NICKEL OVERALL
application_methodSPRAYING AS IS OR SPRAYING AFTER THINNING
NSN3120-00-055-2304
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: P52-7 · 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
•
BODY INSIDE DIAMETER: 0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
•
BODY OUTSIDE DIAMETER: 0.7520 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
CORNER SHAPESQUARE ALL CORNERS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
MATERIALOIL LUBRICATING LUBRICATION
BODY OUTSIDE DIAMETER0.7520 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
OVERALL LENGTH0.8700 INCHES MINIMUM AND 0.8800 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687 TY1,COMPB MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
8010PL2144516Interchangeable
interchangeable cross-reference
interchangeable
513X390Interchangeable
interchangeable cross-reference
interchangeable
32240DSInterchangeable
interchangeable cross-reference
interchangeable
GGG-W-641Interchangeable
interchangeable cross-reference
interchangeable
P527Interchangeable
interchangeable cross-reference
interchangeable
B812-7Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P52-7?
P52-7 is a BRACKET,NOSE LANDING GEAR.
What parts can replace P52-7?
There are 9 known substitutes for P52-7: 8010PL2144516, 513X390, 32240DS and 6 more. Substitute compatibility should be verified for your specific system.
Is P52-7 still available?
P52-7 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026