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Technical Data Sheet
PartsTable / COMPONENT / 81571-01-1/4 IN CID882003661
81571-01-1/4 IN CID882003661 ✓ 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 81571-01-1/4 IN CID882003661 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-351-7392, 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
81571-01-1/4 IN CID882003661
NSN: 4820-00-351-7392
FSC: 4820
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number81571-01-1/4 IN CID882003661
NSN4820-00-351-7392
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 81571-01-1/4 IN CID882003661 · 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
•
FEATURES PROVIDED: BONNET PACKINGBONNET PACKING
•
STYLE DESIGNATOR: ANGLE
•
NONDEFINITIVE SPEC/STD DATA: D COMPOSITION
•
MATERIAL: STEEL SEATSTEEL BODY
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES ALL ENDS0.250 INCHES ALL ENDS IN
•
MAXIMUM OPERATING TEMP: 775.0 FAHRENHEIT SINGLE RESPONSE775.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDBONNET PACKINGBONNET PACKING
STYLE DESIGNATORANGLE
NONDEFINITIVE SPEC/STD DATAD COMPOSITION
MATERIALSTEEL SEATSTEEL BODY
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS0.250 INCHES ALL ENDS IN
MATERIALSTEEL FLOW CONTROL DEVICESTEEL SEAT
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING TEMP775.0 FAHRENHEIT SINGLE RESPONSE775.0 FAHRENHEIT SINGLE RESPONSE DEGF
BONNET ATTACHMENT METHODBOLTEDBOLTED
TEST DATA DOCUMENT81349-MIL-S-901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
319696-522Interchangeable
interchangeable cross-reference
interchangeable
10246639Interchangeable
interchangeable cross-reference
interchangeable
954355Interchangeable
interchangeable cross-reference
interchangeable
SW30-2521Interchangeable
interchangeable cross-reference
interchangeable
80734Interchangeable
interchangeable cross-reference
interchangeable
MILV22094Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81571-01-1/4 IN CID882003661?
81571-01-1/4 IN CID882003661 is a 81571-01-1/4 IN CID882003661.
What parts can replace 81571-01-1/4 IN CID882003661?
There are 10 known substitutes for 81571-01-1/4 IN CID882003661: 319696-522, 10246639, 954355 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81571-01-1/4 IN CID882003661?
81571-01-1/4 IN CID882003661 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-351-7392. 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