90B2-644-456 — VALVE,EXPANSION

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

90B2-644-456: VALVE,EXPANSION.

The VALVE,EXPANSION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, body_style: STRAIGHT THRU, bulb_length: 3.500 INCHES NOMINAL IN, bulb_diameter: 0.500 INCHES NOMINAL IN, special_features: R-12 REFRIGERANT TYPE; 3/8 IN. ODF INLET; 1/2 IN.

ODF OUTLET IN, capillary_tube_length: 60.000 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 4820-01-444-7529, 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

90B2-644-456

NSN: 4820-01-444-7529
FSC: 4820 — Valves, Nonpowered
CAGE: 10855 — CARRIER CORP (USA)

SPECIFICATIONS

material	COPPER ALLOY BODY
body_style	STRAIGHT THRU
bulb_length	3.500 INCHES NOMINAL IN
bulb_diameter	0.500 INCHES NOMINAL IN
special_features	R-12 REFRIGERANT TYPE; 3/8 IN. ODF INLET; 1/2 IN. ODF OUTLET IN
capillary_tube_length	60.000 INCHES NOMINAL IN
face_to_face_distance	5.000 INCHES NOMINAL IN
end_connection_quantity	2
end_item_identification	SEAWOLF CLASS SSN
valve_equalizer_location	INTERNAL
valve_expansion_control_type	THERMOSTATIC
valve_equalizer_connection_type	FLARED TUBE
NSN	4820-01-444-7529

COMPONENT DIAGRAM

KEY FEATURES

•

VALVE EQUALIZER LOCATION: INTERNAL

•

BODY STYLE: STRAIGHT THRU

•

FACE TO FACE DISTANCE: 5.000 INCHES NOMINAL IN

•

BULB LENGTH: 3.500 INCHES NOMINAL IN

•

BULB DIAMETER: 0.500 INCHES NOMINAL IN

•

END CONNECTION QUANTITY: 2

•

CAPILLARY TUBE LENGTH: 60.000 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

VALVE EQUALIZER LOCATION	INTERNAL
BODY STYLE	STRAIGHT THRU
FACE TO FACE DISTANCE	5.000 INCHES NOMINAL IN
BULB LENGTH	3.500 INCHES NOMINAL IN
BULB DIAMETER	0.500 INCHES NOMINAL IN
END CONNECTION QUANTITY	2
CAPILLARY TUBE LENGTH	60.000 INCHES NOMINAL IN
SPECIAL FEATURES	R-12 REFRIGERANT TYPE; 3/8 IN. ODF INLET; 1/2 IN. ODF OUTLET IN
END ITEM IDENTIFICATION	SEAWOLF CLASS SSN
MATERIAL	COPPER ALLOY BODY

OTHER ITEMS IN FSC 4820 — Valves, Nonpowered

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

4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230

SUBSTITUTES & CROSS-REFERENCES 1

90-C-02-2274Same 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 90B2-644-456?

90B2-644-456 is a VALVE,EXPANSION.

What parts can replace 90B2-644-456?

There is 1 known substitute for 90B2-644-456: 90-C-02-2274. Substitute compatibility should be verified for your specific system.

What is the NSN for 90B2-644-456?

90B2-644-456 is cataloged in the U.S. Government catalog under NSN 4820-01-444-7529. This indicates validated use in U.S. government and defense supply chains.

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