668J901PC98 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

668J901PC98: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, seat_radius: 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN, flange_diameter: 3.042 INCHES MINIMUM AND 3.052 INCHES MAXIMUM IN, fsc_application_data: TURBINE,STEAM, seating_surface_shape: RADIAL, material_document_and_classification: MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-992-0624, 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

668J901PC98

NSN: 4820-00-992-0624
FSC: 4820 — Valves, Nonpowered
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)

SPECIFICATIONS

material	STEEL BODY
seat_radius	0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN
flange_diameter	3.042 INCHES MINIMUM AND 3.052 INCHES MAXIMUM IN
fsc_application_data	TURBINE,STEAM
seating_surface_shape	RADIAL
material_document_and_classification	MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
NSN	4820-00-992-0624

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE DIAMETER: 3.042 INCHES MINIMUM AND 3.052 INCHES MAXIMUM IN

•

FSC APPLICATION DATA: TURBINE,STEAM

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT

•

SEAT RADIUS: 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN

•

MATERIAL: STEEL BODY

•

SEATING SURFACE SHAPE: RADIAL

TECHNICAL CHARACTERISTICS

FLANGE DIAMETER	3.042 INCHES MINIMUM AND 3.052 INCHES MAXIMUM IN
FSC APPLICATION DATA	TURBINE,STEAM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,CL 410,COND T FED SPEC SINGLE MATERIAL RESPONSE BODY
SEAT RADIUS	0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN
MATERIAL	STEEL BODY
MATERIAL	COBALT ALLOY SEAT
SEATING SURFACE SHAPE	RADIAL

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

1JB7523-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

1JB7523PC4Same 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 668J901PC98?

668J901PC98 is a SEAT,VALVE.

What parts can replace 668J901PC98?

There are 2 known substitutes for 668J901PC98: 1JB7523-4, 1JB7523PC4. Substitute compatibility should be verified for your specific system.

What is the NSN for 668J901PC98?

668J901PC98 is cataloged in the U.S. Government catalog under NSN 4820-00-992-0624. This indicates validated use in U.S. government and defense supply chains.

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668J901PC98 — SEAT,VALVE

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