MIL-F-20668TYPEACLASS1 — PISTON,CLUTCH SHAFT ASSEMBLY

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

MIL-F-20668TYPEACLASS1: PISTON,CLUTCH SHAFT ASSEMBLY.

The PISTON,CLUTCH SHAFT ASSEMBLY is a the manufacturer industrial component. Key specifications include material: IRON, thickness: 0.562 INCHES NOMINAL IN, neck_height: 0.375 INCHES NOMINAL IN, flange_diameter: 3.812 INCHES NOMINAL IN, style_designator: ROUND, ONE BOLT HOLE CIRCLE, bolt_hole_diameter: 0.562 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-256-8584, 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

MIL-F-20668TYPEACLASS1

NSN: 4730-00-256-8584
NIINs: 002568584, 002568587, 002568589
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	IRON
thickness	0.562 INCHES NOMINAL IN
neck_height	0.375 INCHES NOMINAL IN
flange_diameter	3.812 INCHES NOMINAL IN
style_designator	ROUND, ONE BOLT HOLE CIRCLE
bolt_hole_diameter	0.562 INCHES NOMINAL IN
bolt_hole_quantity	4
nominal_thread_size	2.500 INCHES IN
bolt_circle_diameter	3.938 INCHES NOMINAL IN
flange_section_style	PLAIN FACE, RAISED NECK
thread_quantity_per_inch	11-1/2
nondefinitive_spec/std_data	A TYPE AND 1 CLASS
NSN	4730-00-256-8584

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE DIAMETER: 3.812 INCHES NOMINAL IN

•

FACE SEATING SURFACE CONDITION: MACHINED

•

NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.750 INCHES IN

•

OPERATING PRESSURE AND TYPE: 100.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS

•

FLANGE SECTION STYLE: PLAIN FACE, RAISED NECK

•

STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE

•

BOLT HOLE DIAMETER: 0.562 INCHES NOMINAL IN

•

NECK HEIGHT: 0.250 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

FLANGE DIAMETER	3.812 INCHES NOMINAL IN
FACE SEATING SURFACE CONDITION	MACHINED
NOMINAL PIPE SIZE FOR WHICH DESIGNED	0.750 INCHES IN
OPERATING PRESSURE AND TYPE	100.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
FLANGE SECTION STYLE	PLAIN FACE, RAISED NECK
STYLE DESIGNATOR	ROUND, ONE BOLT HOLE CIRCLE
BOLT HOLE DIAMETER	0.562 INCHES NOMINAL IN
NECK HEIGHT	0.250 INCHES NOMINAL IN
NOMINAL THREAD SIZE	0.750 INCHES IN
NONDEFINITIVE SPEC/STD DATA	A TYPE AND 1 CLASS

SUBSTITUTES & CROSS-REFERENCES 1

S4823-860487Reference 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 MIL-F-20668TYPEACLASS1?

MIL-F-20668TYPEACLASS1 is a PISTON,CLUTCH SHAFT ASSEMBLY.

What parts can replace MIL-F-20668TYPEACLASS1?

There is 1 known substitute for MIL-F-20668TYPEACLASS1: S4823-860487. Substitute compatibility should be verified for your specific system.

What is the NSN for MIL-F-20668TYPEACLASS1?

MIL-F-20668TYPEACLASS1 is cataloged in the U.S. Government catalog under NSN 4730-00-256-8584. This indicates validated use in U.S. government and defense supply chains.

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MIL-F-20668TYPEACLASS1 — PISTON,CLUTCH SHAFT ASSEMBLY

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