66451 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

66451: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER AND PLASTIC POLYAMIDE NYLON, body_style: HOLE MOUNT, body_height: 1.46 INCHES NOMINAL IN, body_diameter: 0.67 INCHES NOMINAL IN, hole_diameter: 0.278 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED. This part is cataloged in the U.S.

Government catalog under NSN 2810-00-306-6139, 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

66451

NSN: 2810-00-306-6139
NIINs: 003066139, 010144045, 016420908, 016497514
FSC: 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)

SPECIFICATIONS

material	RUBBER AND PLASTIC POLYAMIDE NYLON
body_style	HOLE MOUNT
body_height	1.46 INCHES NOMINAL IN
body_diameter	0.67 INCHES NOMINAL IN
hole_diameter	0.278 INCHES NOMINAL IN
inclosure_type	FULLY INCLOSED
mounting_method	UNTHREADED HOLE(S)
outside_diameter	3.140 INCHES NOMINAL IN
special_features	CHANGE: WAS CARLING NO PA341 SWITCH
style_designator	FLAT
bolt_hole_quantity	6
material_thickness	0.048 INCHES NOMINAL IN
NSN	2810-00-306-6139

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATL STEEL PER AMS 6322; HARDNESS PER ROCKWELL C19 MIN AND C26 MAX; 0.88 IN. LONG; FIRST END THREADED 1.375-16,1.3307 IN. MIN AND 1.3337 IN. MAX PITCH DIA; FLANGE 1.68 IN. OD; SECOND END HEXAGON 0.868 IN. MIN AND 0.875 IN. MAX ACROSS; BORE 0.68 IN. DIA BY 0.8 IN. DEEP FROM FIRST END; COUNTERBORE 1.12 IN. DIA BY 0.4 IN. DEEP IN

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION	MATL STEEL PER AMS 6322; HARDNESS PER ROCKWELL C19 MIN AND C26 MAX; 0.88 IN. LONG; FIRST END THREADED 1.375-16,1.3307 IN. MIN AND 1.3337 IN. MAX PITCH DIA; FLANGE 1.68 IN. OD; SECOND END HEXAGON 0.868 IN. MIN AND 0.875 IN. MAX ACROSS; BORE 0.68 IN. DIA BY 0.8 IN. DEEP FROM FIRST END; COUNTERBORE 1.12 IN. DIA BY 0.4 IN. DEEP IN
END ITEM IDENTIFICATION	ACFT ENG R1820

SUBSTITUTES & CROSS-REFERENCES 1

MRL504122Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 66451?

66451 is a DIAPHRAGM,VALVE,FLAT.

What parts can replace 66451?

There is 1 known substitute for 66451: MRL504122. Substitute compatibility should be verified for your specific system.

What is the NSN for 66451?

66451 is cataloged in the U.S. Government catalog under NSN 2810-00-306-6139. This indicates validated use in U.S. government and defense supply chains.

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66451 — DIAPHRAGM,VALVE,FLAT

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