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Technical Data Sheet
PartsTable / COMPONENT / 81551-001/2IN C1D882057658
81551-001/2IN C1D882057658 ✓ 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 81551-001/2IN C1D882057658 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-824-8650, 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
81551-001/2IN C1D882057658
NSN: 4820-00-824-8650
FSC: 4820
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number81551-001/2IN C1D882057658
NSN4820-00-824-8650
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 81551-001/2IN C1D882057658 · 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 TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
VALVE OPERATION METHOD: MANUAL
•
BONNET ATTACHMENT METHOD: BOLTED
•
BONNET TYPE: OUTSIDE SCREW-YOKE
•
MAXIMUM OPERATING TEMP: 975.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES ALL ENDS IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: A182,GRADE F11 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
FEATURES PROVIDED: BONNET PACKING
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
VALVE OPERATION METHODMANUAL
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
MAXIMUM OPERATING TEMP975.0 FAHRENHEIT SINGLE RESPONSE DEGF
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES ALL ENDS IN
MATERIAL DOCUMENT AND CLASSIFICATIONA182,GRADE F11 ASSN STD SINGLE MATERIAL RESPONSE BODY
FEATURES PROVIDEDBONNET PACKING
MATERIALCOBALT ALLOY FLOW CONTROL DEVICE
MATERIALSTEEL BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1551-01N0REV1CID882059145Interchangeable
interchangeable cross-reference
interchangeable
7150WInterchangeable
interchangeable cross-reference
interchangeable
81551-01 3/8INInterchangeable
interchangeable cross-reference
interchangeable
W08-2074B-05TS CID882057918Interchangeable
interchangeable cross-reference
interchangeable
DB20100Interchangeable
interchangeable cross-reference
interchangeable
33311-30 W08-2074B-05TSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81551-001/2IN C1D882057658?
81551-001/2IN C1D882057658 is a 81551-001/2IN C1D882057658.
What parts can replace 81551-001/2IN C1D882057658?
There are 14 known substitutes for 81551-001/2IN C1D882057658: 1551-01N0REV1CID882059145, 7150W, 81551-01 3/8IN and 11 more. Substitute compatibility should be verified for your specific system.
Is 81551-001/2IN C1D882057658 still available?
81551-001/2IN C1D882057658 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