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AA25103 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

AA25103: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include connection_style: PLAIN (PIPE) SECOND END, style_designator: ANGLE, thread_direction: RIGHT-HAND SECOND END, features_provided: PRESSURE TIGHT OUTLET SIDE, operating_pressure: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-142-1526, 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
AA25103
NSN: 4820-00-142-1526
FSC: 4820 — Valves, Nonpowered
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
connection_stylePLAIN (PIPE) SECOND END
style_designatorANGLE
thread_directionRIGHT-HAND SECOND END
features_providedPRESSURE TIGHT OUTLET SIDE
operating_pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size1.000 INCHES SECOND END IN
valve_operation_methodAUTOMATIC
media_for_which_designedWATER, FRESH SINGLE RESPONSE
thread_quantity_per_inch11-1/2 SECOND END
thread_series_designatorNPT SECOND END
NSN4820-00-142-1526
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AA25103 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.000 INCHES SECOND END IN
•
CONNECTION STYLE: PLAIN (PIPE) SECOND END
•
STYLE DESIGNATOR: ANGLE
•
OPERATING PRESSURE: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
ADJUSTABLE PRESSURE RANGE: +5.0 TO 30.0 POUNDS PER SQUARE INCH LBS
•
FEATURES PROVIDED: PRESSURE TIGHT OUTLET SIDE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES SECOND END IN
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES FIRST END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
STYLE DESIGNATORANGLE
OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE+5.0 TO 30.0 POUNDS PER SQUARE INCH LBS
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
THREAD DIRECTIONRIGHT-HAND SECOND END
NOMINAL THREAD SIZE1.000 INCHES SECOND END IN
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
CB1S4824-43Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AA25103?
AA25103 is a VALVE,SAFETY RELIEF.
What parts can replace AA25103?
There is 1 known substitute for AA25103: CB1S4824-43. Substitute compatibility should be verified for your specific system.
What is the NSN for AA25103?
AA25103 is cataloged in the U.S. Government catalog under NSN 4820-00-142-1526. This indicates validated use in U.S. government and defense supply chains.
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