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PB-662K ITEM 1 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

PB-662K ITEM 1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_item_identification: WRIGHT AUSTIN CO,FLOAT TRAP,MODEL 90AC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-260-2553, 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
PB-662K ITEM 1
NSN: 4820-01-260-2553
FSC: 4820 — Valves, Nonpowered
CAGE: 66645 — WRIGHT AUSTIN CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_item_identificationWRIGHT AUSTIN CO,FLOAT TRAP,MODEL 90AC
NSN4820-01-260-2553
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: PB-662K ITEM 1 · 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: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONWRIGHT AUSTIN CO,FLOAT TRAP,MODEL 90AC
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 1
90-1Same 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 PB-662K ITEM 1?
PB-662K ITEM 1 is a SEAT,VALVE.
What parts can replace PB-662K ITEM 1?
There is 1 known substitute for PB-662K ITEM 1: 90-1. Substitute compatibility should be verified for your specific system.
What is the NSN for PB-662K ITEM 1?
PB-662K ITEM 1 is cataloged in the U.S. Government catalog under NSN 4820-01-260-2553. 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.