11177555 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

11177555: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY SEAT, thread_class: 3B ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, surface_treatment: ANODIZE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-008-3133, 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

11177555

NSN: 4820-00-008-3133
FSC: 4820 — Valves, Nonpowered
CAGE: 17773 — BALLISTIC MISSILE DEFENSE SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY SEAT
thread_class	3B ALL ENDS
connection_style	GASKET SEAL (BOSS) ALL ENDS
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND ALL ENDS
surface_treatment	ANODIZE
operating_pressure	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	POPPET
nominal_thread_size	0.562 INCHES ALL ENDS IN
maximum_operating_temp	250.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_method	AUTOMATIC
NSN	4820-00-008-3133

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

CONNECTION STYLE: GASKET SEAL (BOSS) ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66.AISI 440A/SAE 51440A FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE A

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.563 INCHES FIRST END IN

•

OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

THREAD DIRECTION: RIGHT-HAND ALL ENDS

•

NOMINAL THREAD SIZE: 0.562 INCHES ALL ENDS IN

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
CONNECTION STYLE	GASKET SEAL (BOSS) ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATION	66.AISI 440A/SAE 51440A FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE A
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.563 INCHES FIRST END IN
OPERATING PRESSURE	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTION	RIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE	0.562 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP	250.0 FAHRENHEIT SINGLE RESPONSE DEGF
DISK LOADING METHOD	SPRING

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 1

443-6D27-10Reference 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 11177555?

11177555 is a VALVE,CHECK.

What parts can replace 11177555?

There is 1 known substitute for 11177555: 443-6D27-10. Substitute compatibility should be verified for your specific system.

What is the NSN for 11177555?

11177555 is cataloged in the U.S. Government catalog under NSN 4820-00-008-3133. This indicates validated use in U.S. government and defense supply chains.

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