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PartsTable / COMPONENT / 51583 ITEM 37 & 38L1
51583 ITEM 37 & 38L1 ✓ 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 51583 ITEM 37 & 38L1 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 4820-01-633-8845, 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
51583 ITEM 37 & 38L1
NSN: 4820-01-633-8845
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number51583 ITEM 37 & 38L1
NSN4820-01-633-8845
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 51583 ITEM 37 & 38L1 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
51583ITEM37,38Interchangeable
interchangeable cross-reference
interchangeable
88326Interchangeable
interchangeable cross-reference
interchangeable
B16-2A5PS-2TSL1Interchangeable
interchangeable cross-reference
interchangeable
51583 ITEM 37 & 38Interchangeable
Same NIIN cross-reference
interchangeable
88326 10.0IPSL1Interchangeable
Same NIIN cross-reference
interchangeable
B16-2A5PS-2TSInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51583 ITEM 37 & 38L1?
51583 ITEM 37 & 38L1 is a 51583 ITEM 37 & 38L1.
What parts can replace 51583 ITEM 37 & 38L1?
There are 7 known substitutes for 51583 ITEM 37 & 38L1: 51583ITEM37,38, 88326, B16-2A5PS-2TSL1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51583 ITEM 37 & 38L1?
51583 ITEM 37 & 38L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-633-8845. 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