PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 551-5871394/ALP-V-31,34
551-5871394/ALP-V-31,34 ✓ 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 551-5871394/ALP-V-31,34 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 4820-01-320-7257, 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
551-5871394/ALP-V-31,34
NSN: 4820-01-320-7257
FSC: 4820
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number551-5871394/ALP-V-31,34
NSN4820-01-320-7257
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 551-5871394/ALP-V-31,34 · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
CONNECTION STYLE: SOCKET ALL ENDS
•
BONNET TYPE: INSIDE SCREW
•
MATERIAL: NICKEL ALLOY SEAT
•
OPERATING PRESSURE: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
FURNISHED ITEMS AND QUANTITY: 1 TAILPIECE AND 1 NUT
•
BONNET ATTACHMENT METHOD: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT THRU
CONNECTION STYLESOCKET ALL ENDS
BONNET TYPEINSIDE SCREW
MATERIALNICKEL ALLOY SEAT
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIALRUBBER FLUOROCARBON CLASS FPM PACKING
FURNISHED ITEMS AND QUANTITY1 TAILPIECE AND 1 NUT
BONNET ATTACHMENT METHODTHREADED
MATERIALBRONZE BODY
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A5395PC72Interchangeable
interchangeable cross-reference
interchangeable
5804Interchangeable
interchangeable cross-reference
interchangeable
71991PC19Interchangeable
interchangeable cross-reference
interchangeable
AVL47-090Interchangeable
interchangeable cross-reference
interchangeable
NDC00732-1894-04Interchangeable
interchangeable cross-reference
interchangeable
NDC00469-0833-70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 551-5871394/ALP-V-31,34?
551-5871394/ALP-V-31,34 is a 551-5871394/ALP-V-31,34.
What parts can replace 551-5871394/ALP-V-31,34?
There are 11 known substitutes for 551-5871394/ALP-V-31,34: A5395PC72, 5804, 71991PC19 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 551-5871394/ALP-V-31,34?
551-5871394/ALP-V-31,34 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-320-7257. 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