VV81-08 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

VV81-08: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY BODY, thread_class: 2 ALL ENDS, connection_type: THREADED INTERNAL PIPE ALL ENDS, style_designator: STRAIGHT THRU, operating_pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-422-0413, 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

VV81-08

NSN: 4820-01-422-0413
FSC: 4820 — Valves, Nonpowered
CAGE: 77842 — EATON CORPORATION DBA EATON INOAC DIV EATON (USA)

SPECIFICATIONS

material	NICKEL ALLOY BODY
thread_class	2 ALL ENDS
connection_type	THREADED INTERNAL PIPE ALL ENDS
style_designator	STRAIGHT THRU
operating_pressure	6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_device	POPPET
nominal_thread_size	1.750 INCHES ALL ENDS IN
valve_operation_method	AUTOMATIC
thread_quantity_per_inch	12 ALL ENDS
thread_series_designator	UN ALL ENDS
criticality_code_justification	ZZZY
material_document_and_classification	MIL-G-23652 MIL SPEC SINGLE MATERIAL RESPONSE SEAT
NSN	4820-01-422-0413

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

CRITICALITY CODE JUSTIFICATION: ZZZY

•

CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE BODY

•

OPERATING PRESSURE: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

NOMINAL THREAD SIZE: 1.750 INCHES ALL ENDS IN

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
CRITICALITY CODE JUSTIFICATION	ZZZY
CONNECTION TYPE	THREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-23652 MIL SPEC SINGLE MATERIAL RESPONSE SEAT
OPERATING PRESSURE	6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE	1.750 INCHES ALL ENDS IN
THREAD CLASS	2 ALL ENDS
THREAD QUANTITY PER INCH	12 ALL ENDS

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

VV81-08C1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

190000Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is VV81-08?

VV81-08 is a VALVE,CHECK.

What parts can replace VV81-08?

There are 2 known substitutes for VV81-08: VV81-08C1, 190000. Substitute compatibility should be verified for your specific system.

What is the NSN for VV81-08?

VV81-08 is cataloged in the U.S. Government catalog under NSN 4820-01-422-0413. This indicates validated use in U.S. government and defense supply chains.

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