667J658PC9 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

667J658PC9: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, seat_radius: 0.255 INCHES MINIMUM AND 0.259 INCHES MAXIMUM IN, thread_class: 3A SINGLE THREADED PORTION A, thread_length: 0.875 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 4820-00-992-0630, 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

667J658PC9

NSN: 4820-00-992-0630
FSC: 4820 — Valves, Nonpowered
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)

SPECIFICATIONS

material	STEEL BODY
seat_radius	0.255 INCHES MINIMUM AND 0.259 INCHES MAXIMUM IN
thread_class	3A SINGLE THREADED PORTION A
thread_length	0.875 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	0.875 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	4820-00-992-0630

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: 0.875 INCHES NOMINAL SINGLE THREADED PORTION IN

•

BODY STEPPED INSIDE DIAMETER: 0.687 INCHES NOMINAL FIRST STEP IN

•

STYLE DESIGNATOR: THREADED FLANGED

•

MATERIAL DOCUMENT AND CLASSIFICATION: DE15-15B MFR REF SINGLE MATERIAL RESPONSE BODY

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	0.875 INCHES NOMINAL SINGLE THREADED PORTION IN
BODY STEPPED INSIDE DIAMETER	0.687 INCHES NOMINAL FIRST STEP IN
BODY STEPPED INSIDE DIAMETER	0.966 INCHES NOMINAL SECOND 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
NOMINAL THREAD SIZE	2.000 INCHES SINGLE THREADED PORTION IN

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

915D549H01Reference document

Same NSN cross-reference

Reference document — Secondary reference

915D549PC1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 667J658PC9?

667J658PC9 is a SEAT,VALVE.

What parts can replace 667J658PC9?

There are 2 known substitutes for 667J658PC9: 915D549H01, 915D549PC1. Substitute compatibility should be verified for your specific system.

What is the NSN for 667J658PC9?

667J658PC9 is cataloged in the U.S. Government catalog under NSN 4820-00-992-0630. This indicates validated use in U.S. government and defense supply chains.

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