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PartsTable / COMPONENT / 128SCP201-1
128SCP201-1 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: STEEL FLOW CONTROL DEVICE, flange_shape: RECTANGULAR WITH HOLES SECOND END, nominal_width: 3.000 INCHES SECOND END IN, nominal_length: 3.000 INCHES SECOND END IN, connection_style: PLAIN (TUBE) FIRST END, special_features: MOUNTING POSITION: VERTICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-083-3803, 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
128SCP201-1
NSN: 4820-00-083-3803
FSC: 4820
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL FLOW CONTROL DEVICE
flange_shapeRECTANGULAR WITH HOLES SECOND END
nominal_width3.000 INCHES SECOND END IN
nominal_length3.000 INCHES SECOND END IN
connection_stylePLAIN (TUBE) FIRST END
special_featuresMOUNTING POSITION: VERTICAL
style_designatorANGLE
nominal_thickness0.187 INCHES SECOND END IN
bolt_hole_quantity4 SECOND END
flange_face_designRAISED STRAIGHT SECOND END
operating_pressure7.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
NSN4820-00-083-3803
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 128SCP201-1 · 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
•
NOMINAL OUTSIDE DIAMETER: 2.375 INCHES SECOND END IN
•
RAISED FACE NOMINAL HEIGHT: 0.187 INCHES SECOND END IN
•
RAISED FACE NOMINAL DIAMETER: 2.340 INCHES SECOND END IN
•
NOMINAL THICKNESS: 0.187 INCHES SECOND END IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059,TYPE 302,ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
•
STYLE DESIGNATOR: ANGLE
•
BOLT HOLE NOMINAL DIAMETER: 0.259 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OUTSIDE DIAMETER2.375 INCHES SECOND END IN
RAISED FACE NOMINAL HEIGHT0.187 INCHES SECOND END IN
RAISED FACE NOMINAL DIAMETER2.340 INCHES SECOND END IN
NOMINAL THICKNESS0.187 INCHES SECOND END IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059,TYPE 302,ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
STYLE DESIGNATORANGLE
BOLT HOLE NOMINAL DIAMETER0.259 INCHES SECOND END IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE BODY
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH2.375 INCHES SECOND END IN
SPECIAL FEATURESMOUNTING POSITION: VERTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
2226290Interchangeable
interchangeable cross-reference
interchangeable
2004-13Interchangeable
interchangeable cross-reference
interchangeable
2AN803Interchangeable
interchangeable cross-reference
interchangeable
13040Interchangeable
interchangeable cross-reference
interchangeable
JH13040Interchangeable
interchangeable cross-reference
interchangeable
0-13040Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 128SCP201-1?
128SCP201-1 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace 128SCP201-1?
There are 13 known substitutes for 128SCP201-1: 2226290, 2004-13, 2AN803 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 128SCP201-1?
128SCP201-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-083-3803. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026