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655371 — CAP,MOTOR PUMP HYDRAULIC

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

655371: CAP,MOTOR PUMP HYDRAULIC.

The CAP,MOTOR PUMP HYDRAULIC is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 510 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.6250 INCHES MINIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.2500 INCHES MINIMUM AND 0.2506 INCHES MAXIMUM IN, body_outside_diameter: 0.4790 INCHES MINIMUM AND 0.4840 INCHES MAXIMUM IN. 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
MRO→ MRO_GENERAL→ 655371
NSN: 3120-00-159-0623
NIINs: 001590623, 004065069
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY 510 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.6250 INCHES MINIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.2500 INCHES MINIMUM AND 0.2506 INCHES MAXIMUM IN
body_outside_diameter0.4790 INCHES MINIMUM AND 0.4840 INCHES MAXIMUM IN
material_document_and_classificationQQ-B-746,GRADE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-159-0623
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 655371 · 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: 0.4790 INCHES MINIMUM AND 0.4840 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-746,GRADE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
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 1
265151Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 655371?
655371 is a CAP,MOTOR PUMP HYDRAULIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 655371?
There is 1 known substitute for 655371: 265151. Substitute compatibility should be verified for your specific system.
What is the NSN for 655371?
655371 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.