311450 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

311450: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, flange_diameter: 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, seat_angle_in_deg: 59.000 MINIMUM AND 61.000 MAXIMUM, under_flange_height: 0.088 INCHES NOMINAL IN, fsc_application_data: POWER UNIT,GAS TURBINE ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-869-5141, 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

311450

NSN: 4820-00-869-5141
NIINs: 008695141, 012691468
FSC: 4820 — Valves, Nonpowered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)

SPECIFICATIONS

material	STEEL COMP 303 OVERALL
flange_diameter	0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
style_designator	PLAIN FLANGED
seat_angle_in_deg	59.000 MINIMUM AND 61.000 MAXIMUM
under_flange_height	0.088 INCHES NOMINAL IN
fsc_application_data	POWER UNIT,GAS TURBINE ENGINE
body_outside_diameter	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
seating_surface_shape	ANGULAR
body_stepped_inside_diameter	0.160 INCHES NOMINAL FIRST STEP IN
flange_seat_to_disk_end_height	0.059 INCHES NOMINAL IN
material_document_and_classification	MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	MIL-S-7720 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	4820-00-869-5141

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SEAT TO DISK END HEIGHT: 0.059 INCHES NOMINAL IN

•

FLANGE DIAMETER: 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN

•

FSC APPLICATION DATA: POWER UNIT,GAS TURBINE ENGINE

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-7720 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

BODY OUTSIDE DIAMETER: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN

•

BODY STEPPED INSIDE DIAMETER: 0.160 INCHES NOMINAL FIRST STEP IN

•

STYLE DESIGNATOR: PLAIN FLANGED

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

FLANGE SEAT TO DISK END HEIGHT	0.059 INCHES NOMINAL IN
FLANGE DIAMETER	0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
FSC APPLICATION DATA	POWER UNIT,GAS TURBINE ENGINE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-S-7720 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
BODY OUTSIDE DIAMETER	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
BODY STEPPED INSIDE DIAMETER	0.160 INCHES NOMINAL FIRST STEP IN
STYLE DESIGNATOR	PLAIN FLANGED
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
UNDER FLANGE HEIGHT	0.088 INCHES NOMINAL IN
MATERIAL	STEEL COMP 303 OVERALL

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 311450?

311450 is a SEAT,VALVE.

What is the NSN for 311450?

311450 is cataloged in the U.S. Government catalog under NSN 4820-00-869-5141. This indicates validated use in U.S. government and defense supply chains.

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311450 — SEAT,VALVE

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