8S178 — COUPLING HALF,SHAFT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

8S178: COUPLING HALF,SHAFT.

The COUPLING HALF,SHAFT is a the manufacturer industrial component. Key specifications include material: IRON CAST, body_style: MULTI JAW, bore_shape: STRAIGHT, bore_diameter: 1.8750 INCHES NOMINAL IN, overall_length: 2.094 INCHES NOMINAL IN, outside_diameter: 5.450 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3010-01-422-4127, 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

8S178

NSN: 3010-01-422-4127
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 79425 — TB WOODS'S CORPORATION (USA)

SPECIFICATIONS

material	IRON CAST
body_style	MULTI JAW
bore_shape	STRAIGHT
bore_diameter	1.8750 INCHES NOMINAL IN
overall_length	2.094 INCHES NOMINAL IN
outside_diameter	5.450 INCHES NOMINAL IN
features_provided	KEYWAY
end_item_identification	WEAPONS SYSTEM SAFEGUARD CLASS ARS; LOGISTICS SUPPORT VESSEL
NSN	3010-01-422-4127

COMPONENT DIAGRAM

KEY FEATURES

•

BODY STYLE: MULTI JAW

•

OUTSIDE DIAMETER: 5.450 INCHES NOMINAL IN

•

FEATURES PROVIDED: KEYWAY

•

BORE SHAPE: STRAIGHT

•

BORE DIAMETER: 1.8750 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

BODY STYLE	MULTI JAW
OVERALL LENGTH	2.094 INCHES NOMINAL IN
OUTSIDE DIAMETER	5.450 INCHES NOMINAL IN
FEATURES PROVIDED	KEYWAY
BORE SHAPE	STRAIGHT
SPECIAL FEATURES	DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY:1.187" NOM.; THREAD PROVISION:UNTHREADED; FLANGE THICKNESS:0.906" NOM.; KEYWAY WD:0.500" NOM.; HUB OD:3.250" NOM.; HOLE THREAD SIZE DESIGNATOR:9/16 - 12; THREADED HOLE LOCATION:OVER KEYWAY AND 90 DEG. FROM KEYWAY; SECURING METHOD:THREADED HOLE; BORE COUNTERBORE FEATURE:NOT INCLUDED; KEYING FACILITY QTY:1
END ITEM IDENTIFICATION	WEAPONS SYSTEM SAFEGUARD CLASS ARS; LOGISTICS SUPPORT VESSEL
BORE DIAMETER	1.8750 INCHES NOMINAL IN
MATERIAL	IRON CAST

OTHER ITEMS IN FSC 3010 — Torque Converters and Speed Changers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3010-00-001-0013 3010-00-001-0067 3010-00-001-0069 3010-00-001-0095 3010-00-001-1239 3010-00-001-1689 3010-00-001-2168 3010-00-001-2173

SUBSTITUTES & CROSS-REFERENCES 1

8S X 1-7/8Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 8S178?

8S178 is a COUPLING HALF,SHAFT.

What parts can replace 8S178?

There is 1 known substitute for 8S178: 8S X 1-7/8. Substitute compatibility should be verified for your specific system.

What is the NSN for 8S178?

8S178 is cataloged in the U.S. Government catalog under NSN 3010-01-422-4127. This indicates validated use in U.S. government and defense supply chains.

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