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A51E9056-1 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A51E9056-1: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: INCLUDED, material: ALUMINUM AND BRONZE SEAT, body_style: STRAIGHT THRU, temp_rating: -65.0 FAHRENHEIT MINIMUM AND 270.0 FAHRENHEIT MAXIMUM DEGF, regulation_type: AUTOMATIC SINGLE STAGE, special_features: THE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-409-1735, 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
A51E9056-1
NSN: 4820-00-409-1735
FSC: 4820 — Valves, Nonpowered
CAGE: 61174 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
filterINCLUDED
materialALUMINUM AND BRONZE SEAT
body_styleSTRAIGHT THRU
temp_rating-65.0 FAHRENHEIT MINIMUM AND 270.0 FAHRENHEIT MAXIMUM DEGF
regulation_typeAUTOMATIC SINGLE STAGE
special_featuresTHE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET
mounting_facilityBRACKET
flow_control_devicePOPPET
valve_loading_methodSPRING
first_end_thread_class3A A
end_connection_quantity2
outlet_pressure_settingERR-060
NSN4820-00-409-1735
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A51E9056-1 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: POPPET
•
SECOND END SEAT ANGLE IN DEG: 37.0
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
SECOND END THREAD CLASS: 3A A
•
BODY STYLE: STRAIGHT THRU
•
REGULATION TYPE: AUTOMATIC SINGLE STAGE
•
FIRST END SEAT ANGLE IN DEG: 37.0
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
SECOND END SEAT ANGLE IN DEG37.0
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END THREAD CLASS3A A
BODY STYLESTRAIGHT THRU
REGULATION TYPEAUTOMATIC SINGLE STAGE
FIRST END SEAT ANGLE IN DEG37.0
FIRST END THREAD CLASS3A A
FIRST END STYLE DESIGNATORFLARED
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
898476-2-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is A51E9056-1?
A51E9056-1 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace A51E9056-1?
There is 1 known substitute for A51E9056-1: 898476-2-1. Substitute compatibility should be verified for your specific system.
What is the NSN for A51E9056-1?
A51E9056-1 is cataloged in the U.S. Government catalog under NSN 4820-00-409-1735. This indicates validated use in U.S. government and defense supply chains.
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