GSB-11-S#1 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

GSB-11-S#1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_height: 0.625 INCHES NOMINAL IN, style_designator: PLAIN, seat_angle_in_deg: 35.000 MINIMUM AND 55.000 MAXIMUM, body_inside_diameter: 3.125 INCHES NOMINAL IN, body_outside_diameter: 3.882 INCHES MINIMUM AND 3.883 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-388-1948, 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

GSB-11-S#1

NSN: 4820-00-388-1948
FSC: 4820 — Valves, Nonpowered
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)

SPECIFICATIONS

material	STEEL OVERALL
overall_height	0.625 INCHES NOMINAL IN
style_designator	PLAIN
seat_angle_in_deg	35.000 MINIMUM AND 55.000 MAXIMUM
body_inside_diameter	3.125 INCHES NOMINAL IN
body_outside_diameter	3.882 INCHES MINIMUM AND 3.883 INCHES MAXIMUM IN
seating_surface_shape	ANGULAR
NSN	4820-00-388-1948

COMPONENT DIAGRAM

KEY FEATURES

•

BODY OUTSIDE DIAMETER: 3.882 INCHES MINIMUM AND 3.883 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: PLAIN

•

BODY INSIDE DIAMETER: 3.125 INCHES NOMINAL IN

•

MATERIAL: STEEL OVERALL

•

SEAT ANGLE IN DEG: 35.000 MINIMUM AND 55.000 MAXIMUM

•

SEATING SURFACE SHAPE: ANGULAR

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.625 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER	3.882 INCHES MINIMUM AND 3.883 INCHES MAXIMUM IN
STYLE DESIGNATOR	PLAIN
BODY INSIDE DIAMETER	3.125 INCHES NOMINAL IN
MATERIAL	STEEL OVERALL
SEAT ANGLE IN DEG	35.000 MINIMUM AND 55.000 MAXIMUM
SEATING SURFACE SHAPE	ANGULAR

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 3

GSBA11CPC80Reference document

Same NSN cross-reference

Reference document — Secondary reference

GSB11SNUMBER1Reference document

Same NSN cross-reference

Reference document — Secondary reference

GSBF11PC80Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is GSB-11-S#1?

GSB-11-S#1 is a SEAT,VALVE.

What parts can replace GSB-11-S#1?

There are 3 known substitutes for GSB-11-S#1: GSBA11CPC80, GSB11SNUMBER1, GSBF11PC80. Substitute compatibility should be verified for your specific system.

What is the NSN for GSB-11-S#1?

GSB-11-S#1 is cataloged in the U.S. Government catalog under NSN 4820-00-388-1948. This indicates validated use in U.S. government and defense supply chains.

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