166-838-027 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

166-838-027: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC AND PLASTIC, hole_diameter: 0.3490 INCHES NOMINAL IN, outside_diameter: 3.290 INCHES NOMINAL IN, special_features: RUBBER DISK IN CENTER OF DIAPHRAGM, style_designator: FLAT, material_thickness: 0.035 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-061-8644, 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

166-838-027

NSN: 4810-01-061-8644
FSC: 4810 — Valves, Powered
CAGE: 04845 — AUTOMATIC SWITCH COMPANY DBA ASCO (USA)

SPECIFICATIONS

material	RUBBER SYNTHETIC AND PLASTIC
hole_diameter	0.3490 INCHES NOMINAL IN
outside_diameter	3.290 INCHES NOMINAL IN
special_features	RUBBER DISK IN CENTER OF DIAPHRAGM
style_designator	FLAT
bolt_hole_quantity	4
material_thickness	0.035 INCHES NOMINAL IN
bolt_circle_diameter	3.428 INCHES NOMINAL IN
outside_corner_radius	0.375 INCHES NOMINAL IN
NSN	4810-01-061-8644

COMPONENT DIAGRAM

KEY FEATURES

•

OUTSIDE DIAMETER: 3.290 INCHES NOMINAL IN

•

STYLE DESIGNATOR: FLAT

•

MATERIAL THICKNESS: 0.035 INCHES NOMINAL IN

•

BOLT HOLE QUANTITY: 4

•

BOLT CIRCLE DIAMETER: 3.428 INCHES NOMINAL IN

•

OUTSIDE CORNER RADIUS: 0.375 INCHES NOMINAL IN

•

MATERIAL: RUBBER SYNTHETIC AND PLASTIC

TECHNICAL CHARACTERISTICS

OUTSIDE DIAMETER	3.290 INCHES NOMINAL IN
STYLE DESIGNATOR	FLAT
MATERIAL THICKNESS	0.035 INCHES NOMINAL IN
BOLT HOLE QUANTITY	4
BOLT CIRCLE DIAMETER	3.428 INCHES NOMINAL IN
SPECIAL FEATURES	RUBBER DISK IN CENTER OF DIAPHRAGM
OUTSIDE CORNER RADIUS	0.375 INCHES NOMINAL IN
MATERIAL	RUBBER SYNTHETIC AND PLASTIC
HOLE DIAMETER	0.3490 INCHES NOMINAL IN

OTHER ITEMS IN FSC 4810 — Valves, Powered

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

4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611

SUBSTITUTES & CROSS-REFERENCES 2

198-970 ITEM 35Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

166-838-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 166-838-027?

166-838-027 is a DIAPHRAGM,VALVE,FLAT.

What parts can replace 166-838-027?

There are 2 known substitutes for 166-838-027: 198-970 ITEM 35, 166-838-1. Substitute compatibility should be verified for your specific system.

What is the NSN for 166-838-027?

166-838-027 is cataloged in the U.S. Government catalog under NSN 4810-01-061-8644. This indicates validated use in U.S. government and defense supply chains.

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166-838-027 — DIAPHRAGM,VALVE,FLAT

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