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50M-5KR 2-1/2IN — Technical Data Sheet

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— · 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 VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.033 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.312 INCHES MAXIMUM IN, screw_material: STEEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-503-4321, 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
50M-5KR 2-1/2IN
NSN: 4820-01-503-4321
FSC: 4820
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.033 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_length0.312 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length0.312 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentCADMIUM
thread_quantity_per_inch32
NSN4820-01-503-4321
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 50M-5KR 2-1/2IN · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1290525InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
01974InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
146-14InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
74090 P/N 202586EInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
202585-01E FIND NO. 1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
202585InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50M-5KR 2-1/2IN?
50M-5KR 2-1/2IN is a VALVE,SAFETY RELIEF.
What parts can replace 50M-5KR 2-1/2IN?
There are 6 known substitutes for 50M-5KR 2-1/2IN: 1290525, 01974, 146-14 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50M-5KR 2-1/2IN?
50M-5KR 2-1/2IN is cataloged in the Federal Logistics Information System under NSN 4820-01-503-4321. 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: October 2026