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9553-003 — DISK PAD

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

9553-003: DISK PAD.

The DISK PAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 0.250 INCHES NOMINAL IN, overall_diameter: 0.843 INCHES NOMINAL IN, end_item_identification: 4820-01-545-8139; 4 IN. GLOBE VALVE FOR LHD-8 IN, part_name_assigned_by_controlling_agency: DISC PAD.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-545-8471, 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
9553-003
NSN: 4820-01-545-8471
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height0.250 INCHES NOMINAL IN
overall_diameter0.843 INCHES NOMINAL IN
end_item_identification4820-01-545-8139; 4 IN. GLOBE VALVE FOR LHD-8 IN
part_name_assigned_by_controlling_agencyDISC PAD
NSN4820-01-545-8471
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9553-003 · 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
•
OVERALL DIAMETER: 0.843 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.250 INCHES NOMINAL IN
OVERALL DIAMETER0.843 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYDISC PAD
END ITEM IDENTIFICATION4820-01-545-8139; 4 IN. GLOBE VALVE FOR LHD-8 IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 2
7350-063Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
7350-063 ITEM NO. 42Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9553-003?
9553-003 is a DISK PAD.
What parts can replace 9553-003?
There are 2 known substitutes for 9553-003: 7350-063, 7350-063 ITEM NO. 42. Substitute compatibility should be verified for your specific system.
What is the NSN for 9553-003?
9553-003 is cataloged in the U.S. Government catalog under NSN 4820-01-545-8471. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.