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Technical Data Sheet
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265151 — CAP,MOTOR PUMP HYDRAULIC

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

265151: CAP,MOTOR PUMP HYDRAULIC.

The CAP,MOTOR PUMP HYDRAULIC is a the manufacturer industrial component. Key specifications include end_item_identification: FSCM 62983 PUMP MODEL AS19570A. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-159-0623, 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
265151
NSN: 3120-00-159-0623
NIINs: 001590623, 010907305, 011442777
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
end_item_identificationFSCM 62983 PUMP MODEL AS19570A
general_characteristics_item_descriptionMATERIAL ALUMINUM CASTING,O/A DIA4.994 IN. NOMINAL,SHAFT OD 1.250 IN.,4 MOUNTING HOLES,DIA 0.145 IN. MIN 0.155 IN. MAX,EQUALLY SPACED IN
NSN3120-00-159-0623
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 265151 · 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
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BODY OUTSIDE DIAMETER: 0.4790 INCHES MINIMUM AND 0.4840 INCHES MAXIMUM IN
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STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-746,GRADE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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BODY INSIDE DIAMETER: 0.2500 INCHES MINIMUM AND 0.2506 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 510 OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.4790 INCHES MINIMUM AND 0.4840 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-746,GRADE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.6250 INCHES MINIMUM IN
BODY INSIDE DIAMETER0.2500 INCHES MINIMUM AND 0.2506 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 510 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 265151?
265151 is a CAP,MOTOR PUMP HYDRAULIC.
What is the NSN for 265151?
265151 is cataloged in the U.S. Government catalog under NSN 3120-00-159-0623. 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.