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02177 2IN — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

02177 2IN: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, end_item_identification: BONNEY FORGE MODEL HL-61 SWING CHECK VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-232-2432, 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
02177 2IN
NSN: 4820-01-232-2432
FSC: 4820 — Valves, Nonpowered
CAGE: 62474 — BONNEY FORGE CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
end_item_identificationBONNEY FORGE MODEL HL-61 SWING CHECK VALVE
NSN4820-01-232-2432
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 02177 2IN · 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 SEAT
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONBONNEY FORGE MODEL HL-61 SWING CHECK VALVE
MATERIALSTEEL CORROSION RESISTING SEAT
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
BB-0012-9 PC3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 02177 2IN?
02177 2IN is a SEAT,VALVE.
What parts can replace 02177 2IN?
There is 1 known substitute for 02177 2IN: BB-0012-9 PC3. Substitute compatibility should be verified for your specific system.
What is the NSN for 02177 2IN?
02177 2IN is cataloged in the U.S. Government catalog under NSN 4820-01-232-2432. 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.