PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 551-5871394/ALP-V-52,55,58
551-5871394/ALP-V-52,55,58 ✓ 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-52,55,58 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 4820-01-315-6631, 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-52,55,58
NSN: 4820-01-315-6631
FSC: 4820
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number551-5871394/ALP-V-52,55,58
NSN4820-01-315-6631
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 551-5871394/ALP-V-52,55,58 · 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
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
•
MATERIAL: COPPER ALLOY BODY
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MAXIMUM OPERATING TEMP: 225.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
SPECIAL FEATURESSTOP CHECK TYPE VALVE
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES ALL ENDS IN
MOUNTING FACILITYPANEL
BONNET ATTACHMENT METHODUNION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
SL5421APC1Interchangeable
interchangeable cross-reference
interchangeable
317555PC1Interchangeable
interchangeable cross-reference
interchangeable
AT96S47-107PC1Interchangeable
interchangeable cross-reference
interchangeable
71AC 3/32Interchangeable
interchangeable cross-reference
interchangeable
551-5871394/F-122Interchangeable
interchangeable cross-reference
interchangeable
5871394Interchangeable
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-52,55,58?
551-5871394/ALP-V-52,55,58 is a 551-5871394/ALP-V-52,55,58.
What parts can replace 551-5871394/ALP-V-52,55,58?
There are 7 known substitutes for 551-5871394/ALP-V-52,55,58: SL5421APC1, 317555PC1, AT96S47-107PC1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 551-5871394/ALP-V-52,55,58?
551-5871394/ALP-V-52,55,58 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-315-6631. 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