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AV-57-431 — GUIDE,VALVE STEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

AV-57-431: GUIDE,VALVE STEM.

The GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, taper_length: 0.136 INCHES NOMINAL IN, bore_diameter: 0.2976 INCHES NOMINAL IN, overall_length: 0.841 INCHES NOMINAL IN, bore_counterbore: INCLUDED, bore_countersink: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-067-7567, 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
AV-57-431
NSN: 4810-01-067-7567
FSC: 4810 — Valves, Powered
CAGE: 04845 — AUTOMATIC SWITCH COMPANY DBA ASCO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
taper_length0.136 INCHES NOMINAL IN
bore_diameter0.2976 INCHES NOMINAL IN
overall_length0.841 INCHES NOMINAL IN
bore_counterboreINCLUDED
bore_countersinkNOT INCLUDED
outside_diameter0.938 INCHES NOMINAL IN
counterbore_depth0.713 INCHES NOMINAL IN
counterbore_diameter0.490 INCHES NOMINAL IN
taper_minor_diameter0.685 INCHES NOMINAL IN
NSN4810-01-067-7567
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AV-57-431 · 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
•
TAPER MINOR DIAMETER: 0.685 INCHES NOMINAL IN
•
BORE COUNTERBORE: INCLUDED
•
OUTSIDE DIAMETER: 0.938 INCHES NOMINAL IN
•
COUNTERBORE DEPTH: 0.713 INCHES NOMINAL IN
•
COUNTERBORE DIAMETER: 0.490 INCHES NOMINAL IN
•
TAPER LENGTH: 0.136 INCHES NOMINAL IN
•
BORE DIAMETER: 0.2976 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TAPER MINOR DIAMETER0.685 INCHES NOMINAL IN
OVERALL LENGTH0.841 INCHES NOMINAL IN
BORE COUNTERBOREINCLUDED
OUTSIDE DIAMETER0.938 INCHES NOMINAL IN
COUNTERBORE DEPTH0.713 INCHES NOMINAL IN
COUNTERBORE DIAMETER0.490 INCHES NOMINAL IN
TAPER LENGTH0.136 INCHES NOMINAL IN
BORE DIAMETER0.2976 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
BORE COUNTERSINKNOT INCLUDED
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 1
AV-57-431PC22Same 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 AV-57-431?
AV-57-431 is a GUIDE,VALVE STEM.
What parts can replace AV-57-431?
There is 1 known substitute for AV-57-431: AV-57-431PC22. Substitute compatibility should be verified for your specific system.
What is the NSN for AV-57-431?
AV-57-431 is cataloged in the U.S. Government catalog under NSN 4810-01-067-7567. This indicates validated use in U.S. government and defense supply chains.
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