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PartsTable / COMPONENT / 54370-1 ITEM 8
54370-1 ITEM 8 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, flange_diameter: 1.250 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, under_flange_height: 0.250 INCHES NOMINAL IN, body_inside_diameter: 0.750 INCHES NOMINAL IN, body_outside_diameter: 1.239 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 4820-01-013-5806, 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
54370-1 ITEM 8
NSN: 4820-01-013-5806
FSC: 4820
CAGE: 99643 — EATON AEROSPACE LLC DBA EATON AEROSPACE JACKSON (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
flange_diameter1.250 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
under_flange_height0.250 INCHES NOMINAL IN
body_inside_diameter0.750 INCHES NOMINAL IN
body_outside_diameter1.239 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.125 INCHES NOMINAL IN
NSN4820-01-013-5806
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 54370-1 ITEM 8 · 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
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
SEATING SURFACE SHAPE: FLAT
•
STYLE DESIGNATOR: PLAIN FLANGED
•
FLANGE SEAT TO DISK END HEIGHT: 0.125 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.250 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.239 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.250 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN FLANGED
FLANGE SEAT TO DISK END HEIGHT0.125 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.250 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.239 INCHES NOMINAL IN
FLANGE DIAMETER1.250 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
32498Interchangeable
interchangeable cross-reference
interchangeable
C71Interchangeable
interchangeable cross-reference
interchangeable
2533406-30Interchangeable
interchangeable cross-reference
interchangeable
686Interchangeable
interchangeable cross-reference
interchangeable
49403Interchangeable
interchangeable cross-reference
interchangeable
SCC64250Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54370-1 ITEM 8?
54370-1 ITEM 8 is a SEAT,VALVE.
What parts can replace 54370-1 ITEM 8?
There are 11 known substitutes for 54370-1 ITEM 8: 32498, C71, 2533406-30 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54370-1 ITEM 8?
54370-1 ITEM 8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-013-5806. 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