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Technical Data Sheet
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77491257 — VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

77491257: VALVE,SPECIAL.

The VALVE,SPECIAL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4810-00-446-6811, 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
77491257
NSN: 4810-00-446-6811
FSC: 4810 — Valves, Powered
CAGE: 55070 — GOODRICH DBA FORMERLY KNOWN AS KELSEY- HAYES (USA)
SPECIFICATIONS
Part Number77491257
NSN4810-00-446-6811
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 77491257 · 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
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 77491257?
77491257 is a VALVE,SPECIAL.
What is the NSN for 77491257?
77491257 is cataloged in the U.S. Government catalog under NSN 4810-00-446-6811. This indicates validated use in U.S. government and defense supply chains.
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