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Technical Data Sheet

AA55540-1 — Technical Data Sheet

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— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: INCLUDED, material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, temp_rating: -40.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF, furnished_items: BONNET AND DIAL AND INDICATOR, regulation_type: MANUAL SINGLE STAGE. This part is cataloged in the Federal Logistics Information System under NSN 4820-00-551-1094, 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
AA55540-1
NSN: 4820-00-551-1094
FSC: 4820
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
filterINCLUDED
materialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
temp_rating-40.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF
furnished_itemsBONNET AND DIAL AND INDICATOR
regulation_typeMANUAL SINGLE STAGE
flow_control_deviceDIAPHRAGM
valve_loading_methodSPRING
first_end_seat_radius0.062 INCHES NOMINAL IN
manual_control_methodKNOB
first_end_thread_class2A A
end_connection_quantity2
NSN4820-00-551-1094
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AA55540-1 · 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
•
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES NOMINAL IN
•
SECOND END SEAT ANGLE IN DEG: 37.0
•
FILTER: INCLUDED
•
MATERIAL: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
FIRST END THREAD CLASS: 2A A
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.880-14 NGO SECOND END
TECHNICAL CHARACTERISTICS
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES NOMINAL IN
SECOND END SEAT ANGLE IN DEG37.0
FILTERINCLUDED
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
NONDEFINITIVE SPEC/STD DATA1 TYPE
FIRST END THREAD CLASS2A A
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.880-14 NGO SECOND END
THREAD SIZE AND SERIES/TYPE DESIGNATOR9/16-18 UNF FIRST END
MEDIA FOR WHICH DESIGNEDACETYLENE
FURNISHED ITEMSBONNET AND DIAL AND INDICATOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
SR460A-300 0781-0583InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
94-15-300InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-A-55540InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
70-3015InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
RHT8011InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
VTS460A-300InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA55540-1?
AA55540-1 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace AA55540-1?
There are 19 known substitutes for AA55540-1: SR460A-300 0781-0583, 94-15-300, A-A-55540 and 16 more. Substitute compatibility should be verified for your specific system.
Is AA55540-1 still available?
AA55540-1 is currently cancelled.
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