B321 — COUPLING,SHAFT,FLEXIBLE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B321: COUPLING,SHAFT,FLEXIBLE.

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include phase: SINGLE, width: 6.656 INCHES NOMINAL IN, height: 5.562 INCHES NOMINAL IN, length: 5.219 INCHES NOMINAL IN, diameter: 3.000 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING. This part is cataloged in the U.S.

Government catalog under NSN 3010-00-174-5633, 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

B321

NSN: 3010-00-174-5633
NIINs: 001745633, 001940550, 002003757, 008290965, 008298765, 010297044, 010510581, 014576827
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 07964 — CHARLES BOND COMPANY DBA CHRISTIANA MACHINE COMPANY (USA)

SPECIFICATIONS

phase	SINGLE
width	6.656 INCHES NOMINAL IN
height	5.562 INCHES NOMINAL IN
length	5.219 INCHES NOMINAL IN
diameter	3.000 INCHES NOMINAL IN
material	STEEL CORROSION RESISTING
body_width	0.402 INCHES MAXIMUM IN
drive_type	DIRECT
face_width	0.312 INCHES NOMINAL IN
tooth_type	INTEGRAL
body_length	0.530 INCHES MAXIMUM IN
design_type	INSERT
NSN	3010-00-174-5633

COMPONENT DIAGRAM

KEY FEATURES

•

DESIGN TYPE: INSERT

•

OUTSIDE DIAMETER: 2.125 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

DESIGN TYPE	INSERT
OVERALL LENGTH	2.375 INCHES NOMINAL IN
OUTSIDE DIAMETER	2.125 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 8

3N46PC1061Reference document

Same NSN cross-reference

Reference document — Secondary reference

SG2176PC13Reference document

Same NSN cross-reference

Reference document — Secondary reference

8AA41Reference document

Same NSN cross-reference

Reference document — Secondary reference

8AA41 5/8 X 3/4Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

B32VReference document

Same NSN cross-reference

Reference document — Secondary reference

B321 5/8 X 3/4IReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B321?

B321 is a COUPLING,SHAFT,FLEXIBLE.

What parts can replace B321?

There are 8 known substitutes for B321: 3N46PC1061, SG2176PC13, 8AA41 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for B321?

B321 is cataloged in the U.S. Government catalog under NSN 3010-00-174-5633. This indicates validated use in U.S. government and defense supply chains.

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