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B525-3025-4 — COUPLING,SHAFT,RIGID

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B525-3025-4: COUPLING,SHAFT,RIGID.

The COUPLING,SHAFT,RIGID is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT BOTH ENDS, bore_length: 2.750 INCHES NOMINAL BOTH ENDS IN, body_material: STEEL CORROSION RESISTING, bore_diameter: 0.628 INCHES NOMINAL BOTH ENDS IN, overall_length: 2.750 INCHES NOMINAL IN, overall_diameter: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3010-01-515-9539, 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
B525-3025-4
NSN: 3010-01-515-9539
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT BOTH ENDS
bore_length2.750 INCHES NOMINAL BOTH ENDS IN
body_materialSTEEL CORROSION RESISTING
bore_diameter0.628 INCHES NOMINAL BOTH ENDS IN
overall_length2.750 INCHES NOMINAL IN
overall_diameter1.500 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL; SQUARE CENTER BORE WITH SET SCREW FOR EACH SHAFT
style_designatorPLAIN SLEEVE
features_providedCOUNTERBORE
end_item_identificationVALVE
criticality_code_justificationFEAT
NSN3010-01-515-9539
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,RIGID TITLE COMPONENT PN B525-3025-4 MFR COUPLING,SHAFT,RIGID
KEY FEATURES
•
BORE LENGTH: 2.750 INCHES NOMINAL BOTH ENDS IN
•
OVERALL DIAMETER: 1.500 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
STYLE DESIGNATOR: PLAIN SLEEVE
•
FEATURES PROVIDED: COUNTERBORE
•
BORE SHAPE: STRAIGHT BOTH ENDS
•
BODY MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
BORE LENGTH2.750 INCHES NOMINAL BOTH ENDS IN
OVERALL DIAMETER1.500 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONFEAT
STYLE DESIGNATORPLAIN SLEEVE
OVERALL LENGTH2.750 INCHES NOMINAL IN
FEATURES PROVIDEDCOUNTERBORE
BORE SHAPESTRAIGHT BOTH ENDS
BODY MATERIALSTEEL CORROSION RESISTING
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL; SQUARE CENTER BORE WITH SET SCREW FOR EACH SHAFT
END ITEM IDENTIFICATIONVALVE
SUBSTITUTES & CROSS-REFERENCES 1
7409899Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is B525-3025-4?
B525-3025-4 is a COUPLING,SHAFT,RIGID.
What parts can replace B525-3025-4?
There is 1 known substitute for B525-3025-4: 7409899. Substitute compatibility should be verified for your specific system.
What is the NSN for B525-3025-4?
B525-3025-4 is cataloged in the U.S. Government catalog under NSN 3010-01-515-9539. 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.