PartsTable
Technical Data Sheet
2A1-2MNPT100 ✓ Verified by PartsTable
· 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

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY SEATCOPPER ALLOY BODY, bonnet_type: INSIDE SPRINGINSIDE SPRING, connection_type: THREADED INTERNAL PIPE FIRST ENDTHREADED INTERNAL PIPE FIRST END, connection_style: PLAIN,OPTIONAL END(PIPE) FIRST ENDPLAIN,OPTIONAL END(PIPE) FIRST END, style_designator: ANGLE, thread_direction: RIGHT-HAND FIRST ENDRIGHT-HAND FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-421-9406, 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
2A1-2MNPT100
NSN: 4820-00-421-9406
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialCOPPER ALLOY SEATCOPPER ALLOY BODY
bonnet_typeINSIDE SPRINGINSIDE SPRING
connection_typeTHREADED INTERNAL PIPE FIRST ENDTHREADED INTERNAL PIPE FIRST END
connection_stylePLAIN,OPTIONAL END(PIPE) FIRST ENDPLAIN,OPTIONAL END(PIPE) FIRST END
style_designatorANGLE
thread_directionRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
features_providedVALVE STEM LOCK SHIELDVALVE STEM LOCK SHIELD
operating_pressure165.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRINGSPRING
flow_control_deviceDISKDISK
nominal_thread_size0.750 INCHES FIRST END0.750 INCHES FIRST END IN
valve_operation_methodAUTOMATICAUTOMATIC
NSN4820-00-421-9406
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 2A1-2MNPT100 · 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
CONNECTION STYLE: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
BONNET TYPE: INSIDE SPRINGINSIDE SPRING
MEDIA FOR WHICH DESIGNED: GAS, NATURAL SECOND RESPONSE
THREAD SERIES DESIGNATOR: NPT SECOND ENDNPT FIRST END
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END0.750 INCHES FIRST END IN
FEATURES PROVIDED: VALVE STEM LOCK SHIELDVALVE STEM LOCK SHIELD
STYLE DESIGNATOR: ANGLE
BONNET ATTACHMENT METHOD: THREADEDTHREADED
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
BONNET TYPEINSIDE SPRINGINSIDE SPRING
MEDIA FOR WHICH DESIGNEDGAS, NATURAL SECOND RESPONSE
THREAD SERIES DESIGNATORNPT SECOND ENDNPT FIRST END
NOMINAL THREAD SIZE0.750 INCHES FIRST END0.750 INCHES FIRST END IN
FEATURES PROVIDEDVALVE STEM LOCK SHIELDVALVE STEM LOCK SHIELD
STYLE DESIGNATORANGLE
BONNET ATTACHMENT METHODTHREADEDTHREADED
CONNECTION TYPETHREADED INTERNAL PIPE FIRST ENDTHREADED INTERNAL PIPE FIRST END
THREAD SERIES DESIGNATORNPT SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
21146Interchangeable
interchangeable cross-reference
interchangeable
A2308-3Interchangeable
interchangeable cross-reference
interchangeable
26-1/2IN-100PSIInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2A1-2MNPT100?
2A1-2MNPT100 is a VALVE,SAFETY RELIEF.
What parts can replace 2A1-2MNPT100?
There are 3 known substitutes for 2A1-2MNPT100: 21146, A2308-3, 26-1/2IN-100PSI. Substitute compatibility should be verified for your specific system.
What is the NSN for 2A1-2MNPT100?
2A1-2MNPT100 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-421-9406. This indicates validated use in U.S. government and defense supply chains.
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