B53920 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

B53920: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL SEAT, seat_radius: 0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 1.000 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 2.460 INCHES MINIMUM AND 2.480 INCHES MAXIMUM IN, style_designator: THREADED FLANGED. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-992-4660, 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

B53920

NSN: 4820-00-992-4660
FSC: 4820 — Valves, Nonpowered
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)

SPECIFICATIONS

material	STEEL SEAT
seat_radius	0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
thread_class	2A SINGLE THREADED PORTION A
thread_length	1.000 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter	2.460 INCHES MINIMUM AND 2.480 INCHES MAXIMUM IN
style_designator	THREADED FLANGED
nominal_thread_size	2.000 INCHES SINGLE THREADED PORTION IN
under_flange_height	1.000 INCHES NOMINAL IN
fsc_application_data	STEAM TURBINE,ELECTRIC GENERATION
seating_surface_shape	RADIAL
thread_quantity_per_inch	12 SINGLE THREADED PORTION
thread_series_designator	UN SINGLE THREADED PORTION
NSN	4820-00-992-4660

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SEAT TO DISK END HEIGHT: 1.000 INCHES NOMINAL IN

•

FLANGE DIAMETER: 2.460 INCHES MINIMUM AND 2.480 INCHES MAXIMUM IN

•

FSC APPLICATION DATA: STEAM TURBINE,ELECTRIC GENERATION

•

THREAD LENGTH: 1.000 INCHES NOMINAL SINGLE THREADED PORTION IN

•

BODY STEPPED INSIDE DIAMETER: 0.500 INCHES NOMINAL FIRST STEP IN

•

STYLE DESIGNATOR: THREADED FLANGED

TECHNICAL CHARACTERISTICS

FLANGE SEAT TO DISK END HEIGHT	1.000 INCHES NOMINAL IN
FLANGE DIAMETER	2.460 INCHES MINIMUM AND 2.480 INCHES MAXIMUM IN
FSC APPLICATION DATA	STEAM TURBINE,ELECTRIC GENERATION
THREAD LENGTH	1.000 INCHES NOMINAL SINGLE THREADED PORTION IN
BODY STEPPED INSIDE DIAMETER	0.500 INCHES NOMINAL FIRST STEP IN
BODY STEPPED INSIDE DIAMETER	0.703 INCHES NOMINAL SECOND STEP IN
BODY STEPPED INSIDE DIAMETER	1.500 INCHES NOMINAL THIRD STEP IN
STYLE DESIGNATOR	THREADED FLANGED
MATERIAL DOCUMENT AND CLASSIFICATION	DE15-15B MFR REF SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	STELLITE HAYNES 6 MFR REF SINGLE MATERIAL RESPONSE SEAT

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

No substitute or cross-reference records for this part.

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 B53920?

B53920 is a SEAT,VALVE.

What is the NSN for B53920?

B53920 is cataloged in the U.S. Government catalog under NSN 4820-00-992-4660. This indicates validated use in U.S. government and defense supply chains.

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B53920 — SEAT,VALVE

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