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PartsTable / COMPONENT / PNS283-6ALT1PC57
PNS283-6ALT1PC57 ✓ 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 DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, outside_diameter: 7.250 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.010 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1554, 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
PNS283-6ALT1PC57
NSN: 4820-00-036-1554
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
outside_diameter7.250 INCHES NOMINAL IN
style_designatorFLAT
material_thickness0.010 INCHES NOMINAL IN
NSN4820-00-036-1554
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: PNS283-6ALT1PC57 · 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
•
OUTSIDE DIAMETER: 7.250 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.010 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
STYLE DESIGNATOR: FLAT
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER7.250 INCHES NOMINAL IN
MATERIAL THICKNESS0.010 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
STYLE DESIGNATORFLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
14090Interchangeable
interchangeable cross-reference
interchangeable
PNS139-1PC15Interchangeable
interchangeable cross-reference
interchangeable
PNS135-8PC15Interchangeable
interchangeable cross-reference
interchangeable
3355Interchangeable
interchangeable cross-reference
interchangeable
11121Interchangeable
interchangeable cross-reference
interchangeable
PNS135-8PC3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PNS283-6ALT1PC57?
PNS283-6ALT1PC57 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace PNS283-6ALT1PC57?
There are 28 known substitutes for PNS283-6ALT1PC57: 14090, PNS139-1PC15, PNS135-8PC15 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PNS283-6ALT1PC57?
PNS283-6ALT1PC57 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1554. 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