NB3027PC183 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

NB3027PC183: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flange_diameter: 4.309 INCHES MINIMUM AND 4.315 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, seat_angle_in_deg: 45.000 NOMINAL, under_flange_height: 0.812 INCHES NOMINAL IN, body_inside_diameter: 2.000 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-057-2106, 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

NB3027PC183

NSN: 4820-00-057-2106
FSC: 4820 — Valves, Nonpowered
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)

SPECIFICATIONS

material	STEEL OVERALL
flange_diameter	4.309 INCHES MINIMUM AND 4.315 INCHES MAXIMUM IN
style_designator	PLAIN FLANGED
seat_angle_in_deg	45.000 NOMINAL
under_flange_height	0.812 INCHES NOMINAL IN
body_inside_diameter	2.000 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN
body_outside_diameter	3.118 INCHES MINIMUM AND 3.121 INCHES MAXIMUM IN
seating_surface_shape	ANGULAR
flange_seat_to_disk_end_height	0.469 INCHES NOMINAL IN
material_document_and_classification	FED STD 66,AISI 416/SAE 51416 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN	4820-00-057-2106

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SEAT TO DISK END HEIGHT: 0.469 INCHES NOMINAL IN

•

FLANGE DIAMETER: 4.309 INCHES MINIMUM AND 4.315 INCHES MAXIMUM IN

•

BODY OUTSIDE DIAMETER: 3.118 INCHES MINIMUM AND 3.121 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: PLAIN FLANGED

•

MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,AISI 416/SAE 51416 FED STD SINGLE MATERIAL RESPONSE OVERALL

•

BODY INSIDE DIAMETER: 2.000 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN

•

UNDER FLANGE HEIGHT: 0.812 INCHES NOMINAL IN

•

MATERIAL: STEEL OVERALL

TECHNICAL CHARACTERISTICS

FLANGE SEAT TO DISK END HEIGHT	0.469 INCHES NOMINAL IN
FLANGE DIAMETER	4.309 INCHES MINIMUM AND 4.315 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER	3.118 INCHES MINIMUM AND 3.121 INCHES MAXIMUM IN
STYLE DESIGNATOR	PLAIN FLANGED
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66,AISI 416/SAE 51416 FED STD SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER	2.000 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT	0.812 INCHES NOMINAL IN
MATERIAL	STEEL OVERALL
SEAT ANGLE IN DEG	45.000 NOMINAL
SEATING SURFACE SHAPE	ANGULAR

SUBSTITUTES & CROSS-REFERENCES 2

717004Reference document

Same NSN cross-reference

Reference document — Secondary reference

BK183A1371Reference 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 NB3027PC183?

NB3027PC183 is a SEAT,VALVE.

What parts can replace NB3027PC183?

There are 2 known substitutes for NB3027PC183: 717004, BK183A1371. Substitute compatibility should be verified for your specific system.

What is the NSN for NB3027PC183?

NB3027PC183 is cataloged in the U.S. Government catalog under NSN 4820-00-057-2106. This indicates validated use in U.S. government and defense supply chains.

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