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Technical Data Sheet
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C77E10-27 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

C77E10-27: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-122-3669, 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
C77E10-27
NSN: 4820-01-122-3669
FSC: 4820 — Valves, Nonpowered
CAGE: 72038 — EASTERN INDUSTRIAL PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
NSN4820-01-122-3669
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C77E10-27 · 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 COMP 304 OVERALL
TECHNICAL CHARACTERISTICS
MATERIALSTEEL COMP 304 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
C77E10 ITEM 27Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 C77E10-27?
C77E10-27 is a SEAT,VALVE.
What parts can replace C77E10-27?
There is 1 known substitute for C77E10-27: C77E10 ITEM 27. Substitute compatibility should be verified for your specific system.
What is the NSN for C77E10-27?
C77E10-27 is cataloged in the U.S. Government catalog under NSN 4820-01-122-3669. 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.