218-283-45 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

218-283-45: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.282 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 2.750 INCHES NOMINAL IN, style_designator: THREADED FLANGED, nominal_thread_size: 2.500 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-269-9557, 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

218-283-45

NSN: 4820-01-269-9557
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)

SPECIFICATIONS

material	NICKEL ALLOY OVERALL
thread_class	2A SINGLE THREADED PORTION A
thread_length	0.282 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter	2.750 INCHES NOMINAL IN
style_designator	THREADED FLANGED
nominal_thread_size	2.500 INCHES SINGLE THREADED PORTION IN
under_flange_height	0.688 INCHES NOMINAL IN
body_inside_diameter	2.016 INCHES NOMINAL IN
seating_surface_shape	FLAT
thread_quantity_per_inch	A14 SINGLE THREADED PORTION
thread_series_designator	UNS SINGLE THREADED PORTION
flange_seat_to_disk_end_height	0.125 INCHES NOMINAL IN
NSN	4820-01-269-9557

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SEAT TO DISK END HEIGHT: 0.125 INCHES NOMINAL IN

•

FLANGE DIAMETER: 2.750 INCHES NOMINAL IN

•

THREAD LENGTH: 0.282 INCHES NOMINAL SINGLE THREADED PORTION IN

•

STYLE DESIGNATOR: THREADED FLANGED

•

BODY INSIDE DIAMETER: 2.016 INCHES NOMINAL IN

•

NOMINAL THREAD SIZE: 2.500 INCHES SINGLE THREADED PORTION IN

•

UNDER FLANGE HEIGHT: 0.688 INCHES NOMINAL IN

•

THREAD CLASS: 2A SINGLE THREADED PORTION A

TECHNICAL CHARACTERISTICS

FLANGE SEAT TO DISK END HEIGHT	0.125 INCHES NOMINAL IN
FLANGE DIAMETER	2.750 INCHES NOMINAL IN
THREAD LENGTH	0.282 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATOR	THREADED FLANGED
BODY INSIDE DIAMETER	2.016 INCHES NOMINAL IN
NOMINAL THREAD SIZE	2.500 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT	0.688 INCHES NOMINAL IN
THREAD CLASS	2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH	A14 SINGLE THREADED PORTION
MATERIAL	NICKEL ALLOY OVERALL

SUBSTITUTES & CROSS-REFERENCES 3

N-732Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

218-283-42Reference document

Same NSN cross-reference

Reference document — Secondary reference

N-732 PC 15Same 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 218-283-45?

218-283-45 is a SEAT,VALVE.

What parts can replace 218-283-45?

There are 3 known substitutes for 218-283-45: N-732, 218-283-42, N-732 PC 15. Substitute compatibility should be verified for your specific system.

What is the NSN for 218-283-45?

218-283-45 is cataloged in the U.S. Government catalog under NSN 4820-01-269-9557. This indicates validated use in U.S. government and defense supply chains.

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