45987-0661 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

45987-0661: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, seat_radius: 0.188 INCHES NOMINAL IN, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 2.125 INCHES NOMINAL IN, special_features: TWO LUGS 1/2 IN. W X 9/32 IN.

LG,LOCKATED ON OUTER EDGE OF TOP,SPACED 180 DEG APART IN. This part is cataloged in the U.S. Government catalog under NSN 4820-00-441-2348, 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

45987-0661

NSN: 4820-00-441-2348
FSC: 4820 — Valves, Nonpowered
CAGE: 33547 — KIELEY AND MUELLER INC SUB OF JOHNSON CONTROLS INC (USA)

SPECIFICATIONS

material	NICKEL ALLOY OVERALL
seat_radius	0.188 INCHES NOMINAL IN
thread_class	2A SINGLE THREADED PORTION A
thread_length	0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter	2.125 INCHES NOMINAL IN
special_features	TWO LUGS 1/2 IN. W X 9/32 IN. LG,LOCKATED ON OUTER EDGE OF TOP,SPACED 180 DEG APART IN
style_designator	THREADED FLANGED
nominal_thread_size	1.875 INCHES SINGLE THREADED PORTION IN
under_flange_height	0.500 INCHES NOMINAL IN
body_inside_diameter	0.859 INCHES NOMINAL IN
seating_surface_shape	RADIAL
thread_quantity_per_inch	16 SINGLE THREADED PORTION
NSN	4820-00-441-2348

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SEAT TO DISK END HEIGHT: 0.125 INCHES NOMINAL IN

•

FLANGE DIAMETER: 2.125 INCHES NOMINAL IN

•

THREAD LENGTH: 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN

•

STYLE DESIGNATOR: THREADED FLANGED

•

BODY INSIDE DIAMETER: 0.859 INCHES NOMINAL IN

•

NOMINAL THREAD SIZE: 1.875 INCHES SINGLE THREADED PORTION IN

•

SEAT RADIUS: 0.188 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

FLANGE SEAT TO DISK END HEIGHT	0.125 INCHES NOMINAL IN
FLANGE DIAMETER	2.125 INCHES NOMINAL IN
THREAD LENGTH	0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATOR	THREADED FLANGED
BODY INSIDE DIAMETER	0.859 INCHES NOMINAL IN
NOMINAL THREAD SIZE	1.875 INCHES SINGLE THREADED PORTION IN
SEAT RADIUS	0.188 INCHES NOMINAL IN
SPECIAL FEATURES	TWO LUGS 1/2 IN. W X 9/32 IN. LG,LOCKATED ON OUTER EDGE OF TOP,SPACED 180 DEG APART IN
UNDER FLANGE HEIGHT	0.500 INCHES NOMINAL IN
THREAD CLASS	2A SINGLE THREADED PORTION A

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 2

D5494-000Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

B5493Reference 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 45987-0661?

45987-0661 is a SEAT,VALVE.

What parts can replace 45987-0661?

There are 2 known substitutes for 45987-0661: D5494-000, B5493. Substitute compatibility should be verified for your specific system.

What is the NSN for 45987-0661?

45987-0661 is cataloged in the U.S. Government catalog under NSN 4820-00-441-2348. This indicates validated use in U.S. government and defense supply chains.

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45987-0661 — SEAT,VALVE

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