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PartsTable / COMPONENT / A9979RMPC9979-1
A9979RMPC9979-1 ✓ 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

REGULATOR,VOLTAGE AND FREQUENCY. Key specifications include material: STEEL COMP 316 DISK, stem_type: NONRISING, valve_size: 1.000 INCHES IN, bonnet_type: INSIDE SCREW, features_provided: BONNET PACKING, nominal_thread_size: 1.000 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-057-9491, 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
A9979RMPC9979-1
NSN: 4820-00-057-9491
FSC: 4820
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 316 DISK
stem_typeNONRISING
valve_size1.000 INCHES IN
bonnet_typeINSIDE SCREW
features_providedBONNET PACKING
nominal_thread_size1.000 INCHES IN
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
thread_series_designatorNPT
operating_pressure_and_type200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
inlet_relationship_with_outletIDENTICAL
nominal_pipe_size_accommodated1.000 INCHES IN
NSN4820-00-057-9491
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A9979RMPC9979-1 · 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
•
THREAD SERIES DESIGNATOR: NPT
•
BONNET TYPE: INSIDE SCREW
•
MATERIAL: STEEL COMP 316 STEM
•
OPERATING PRESSURE AND TYPE: 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 350.0 FAHRENHEIT WATER-OIL-GAS DEGF
•
VALVE SIZE: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT
BONNET TYPEINSIDE SCREW
MATERIALSTEEL COMP 316 STEM
MATERIALSTEEL COMP 316 SEAT
OPERATING PRESSURE AND TYPE200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED350.0 FAHRENHEIT WATER-OIL-GAS DEGF
MATERIALSTEEL COMP 316 BODY
VALVE SIZE1.000 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTMST0316 ASSN STD SINGLE MATERIAL RESPONSE STEM
FEATURES PROVIDEDBONNET PACKING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
62100Interchangeable
interchangeable cross-reference
interchangeable
002948Interchangeable
interchangeable cross-reference
interchangeable
18840Interchangeable
interchangeable cross-reference
interchangeable
NO. 62100 VALVE N.P.S. 2 IN.Interchangeable
interchangeable cross-reference
interchangeable
NO. 62100Interchangeable
interchangeable cross-reference
interchangeable
T46557HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A9979RMPC9979-1?
A9979RMPC9979-1 is a REGULATOR,VOLTAGE AND FREQUENCY.
What parts can replace A9979RMPC9979-1?
There are 17 known substitutes for A9979RMPC9979-1: 62100, 002948, 18840 and 14 more. Substitute compatibility should be verified for your specific system.
Is A9979RMPC9979-1 still available?
A9979RMPC9979-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026