179999/818 — VALVE,VACUUM REGULATING

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

179999/818: VALVE,VACUUM REGULATING.

The VALVE,VACUUM REGULATING is a the manufacturer industrial component. Key specifications include body_material: STEEL CORROSION RESISTING, temp_adjustability: ADJUSTABLE, first_end_connection_type: PLAIN FACE FLANGE, first_end_style_designator: PLAIN, first_end_bolt_hole_diameter: 0.265 INCHES NOMINAL IN, first_end_flange_shape_style: ROUND W/ BOLT HOLES. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-172-2669, 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

179999/818

NSN: 4820-01-172-2669
FSC: 4820 — Valves, Nonpowered
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)

SPECIFICATIONS

body_material	STEEL CORROSION RESISTING
temp_adjustability	ADJUSTABLE
end_connection_quantity	2
first_end_connection_type	PLAIN FACE FLANGE
first_end_style_designator	PLAIN
first_end_bolt_hole_diameter	0.265 INCHES NOMINAL IN
first_end_flange_shape_style	ROUND W/ BOLT HOLES
first_end_bolt_circle_diameter	2.312 INCHES NOMINAL IN
first_end_flange_outside_diameter	2.750 INCHES NOMINAL IN
second_end_relationship_with_first_end	IDENTICAL
NSN	4820-01-172-2669

COMPONENT DIAGRAM

KEY FEATURES

•

SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL

•

FIRST END FLANGE OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN

•

FIRST END STYLE DESIGNATOR: PLAIN

•

FIRST END BOLT HOLE DIAMETER: 0.265 INCHES NOMINAL IN

•

FIRST END BOLT CIRCLE DIAMETER: 2.312 INCHES NOMINAL IN

•

END CONNECTION QUANTITY: 2

•

BODY MATERIAL: STEEL CORROSION RESISTING

•

FIRST END CONNECTION TYPE: PLAIN FACE FLANGE

TECHNICAL CHARACTERISTICS

SECOND END RELATIONSHIP WITH FIRST END	IDENTICAL
FIRST END FLANGE OUTSIDE DIAMETER	2.750 INCHES NOMINAL IN
FIRST END STYLE DESIGNATOR	PLAIN
FIRST END BOLT HOLE DIAMETER	0.265 INCHES NOMINAL IN
FIRST END BOLT CIRCLE DIAMETER	2.312 INCHES NOMINAL IN
END CONNECTION QUANTITY	2
BODY MATERIAL	STEEL CORROSION RESISTING
FIRST END CONNECTION TYPE	PLAIN FACE FLANGE
TEMP ADJUSTABILITY	ADJUSTABLE
FIRST END FLANGE SHAPE STYLE	ROUND W/ BOLT HOLES

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

951-5088Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 179999/818?

179999/818 is a VALVE,VACUUM REGULATING.

What parts can replace 179999/818?

There is 1 known substitute for 179999/818: 951-5088. Substitute compatibility should be verified for your specific system.

What is the NSN for 179999/818?

179999/818 is cataloged in the U.S. Government catalog under NSN 4820-01-172-2669. This indicates validated use in U.S. government and defense supply chains.

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179999/818 — VALVE,VACUUM REGULATING

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