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Technical Data Sheet
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58329 — SEAT,VALVE

✓ Government record, cited
Bestway · GATE VALVE
PRODUCT OVERVIEW

58329: SEAT,VALVE.

POOL LADDER - Rust-resistant metal frame - Heavy-duty plastic steps - Easy construction Content: One pool ladder. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_item_identification: SPIRAX SARCO INC STEAM TRAP 1/2 IN. MODEL N100 IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-200-8666, 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
58329
NSN: 4820-01-200-8666
FSC: 4820 — Valves, Nonpowered
CAGE: 53059 — SPIRAX SARCO INC DBA SPIRAX SARCO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_item_identificationSPIRAX SARCO INC STEAM TRAP 1/2 IN. MODEL N100 IN
NSN4820-01-200-8666
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 58329 · Bestway ⚠ 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: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONSPIRAX SARCO INC STEAM TRAP 1/2 IN. MODEL N100 IN
MATERIALSTEEL CORROSION RESISTING OVERALL
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 2
821168Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
B21168Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 58329?
58329 is a SEAT,VALVE manufactured by Bestway.
What parts can replace 58329?
There are 2 known substitutes for 58329: 821168, B21168. Substitute compatibility should be verified for your specific system.
What is the NSN for 58329?
58329 is cataloged in the U.S. Government catalog under NSN 4820-01-200-8666. 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.