1551AS139 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

1551AS139: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: PLASTIC POLYCHLOROTRIFLUOROETHYLENE SEAT, body_style: STRAIGHT THRU, regulation_type: MANUAL SINGLE STAGE, flow_control_device: DISK, valve_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-301-8011, 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

1551AS139

NSN: 4820-01-301-8011
FSC: 4820 — Valves, Nonpowered
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

filter	NOT INCLUDED
material	PLASTIC POLYCHLOROTRIFLUOROETHYLENE SEAT
body_style	STRAIGHT THRU
regulation_type	MANUAL SINGLE STAGE
flow_control_device	DISK
valve_loading_method	SPRING
manual_control_method	KNOB
outlet_pressure_range	200.0 TO 10000.0 CAMERA MOUNT
first_end_thread_class	3B
end_connection_quantity	2
media_for_which_designed	OXYGEN, LIQUID
first_end_connection_type	THREADED INTERNAL TUBE
NSN	4820-01-301-8011

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

FIRST END THREAD DIRECTION: RIGHT-HAND

•

SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL

•

BODY STYLE: STRAIGHT THRU

•

REGULATION TYPE: MANUAL SINGLE STAGE

•

FIRST END SEAT ANGLE IN DEG: 45.0

•

FIRST END THREAD CLASS: 3B

•

FIRST END STYLE DESIGNATOR: FLARE

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
FIRST END THREAD DIRECTION	RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END	IDENTICAL
BODY STYLE	STRAIGHT THRU
REGULATION TYPE	MANUAL SINGLE STAGE
FIRST END SEAT ANGLE IN DEG	45.0
FIRST END THREAD CLASS	3B
FIRST END STYLE DESIGNATOR	FLARE
END CONNECTION QUANTITY	2
OUTLET PRESSURE RANGE	200.0 TO 10000.0 CAMERA MOUNT

SUBSTITUTES & CROSS-REFERENCES 2

1551AS139-1Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

26-1721-44-054Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 1551AS139?

1551AS139 is a VALVE,REGULATING,FLUID PRESSURE.

What parts can replace 1551AS139?

There are 2 known substitutes for 1551AS139: 1551AS139-1, 26-1721-44-054. Substitute compatibility should be verified for your specific system.

What is the NSN for 1551AS139?

1551AS139 is cataloged in the U.S. Government catalog under NSN 4820-01-301-8011. This indicates validated use in U.S. government and defense supply chains.

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1551AS139 — VALVE,REGULATING,FLUID PRESSURE

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