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Technical Data Sheet
PartsTable / COMPONENT / 54370-27
54370-27 ✓ 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 VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, unit_type: SCREW/FLEXIBLE SHAFT, bit_diameter: 0.500 INCHES NOMINAL IN, bore_diameter: 0.205 INCHES NOMINAL IN, coil_quantity: 6-1/2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-167-9839, 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
54370-27
NSN: 4820-01-167-9839
FSC: 4820
CAGE: 99643 — EATON AEROSPACE LLC DBA EATON AEROSPACE JACKSON (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
unit_typeSCREW/FLEXIBLE SHAFT
bit_diameter0.500 INCHES NOMINAL IN
bore_diameter0.205 INCHES NOMINAL IN
coil_quantity6-1/2
hole_diameter0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
overall_width1.969 INCHES NOMINAL IN
overall_height0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
overall_length18.000 INCHES NOMINAL IN
inside_diameter0.123 INCHES NOMINAL IN
outside_diameter0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
NSN4820-01-167-9839
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 54370-27 · 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
58330Interchangeable
interchangeable cross-reference
interchangeable
1204-4Interchangeable
interchangeable cross-reference
interchangeable
GGG-E-950 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
GGG-E-950Interchangeable
interchangeable cross-reference
interchangeable
58330-13Interchangeable
interchangeable cross-reference
interchangeable
61020-13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54370-27?
54370-27 is a VALVE,SAFETY RELIEF.
What parts can replace 54370-27?
There are 6 known substitutes for 54370-27: 58330, 1204-4, GGG-E-950 TY1CL1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54370-27?
54370-27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-167-9839. 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