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A-5149VM — SPINDLE ROD,SAFETY VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A-5149VM: SPINDLE ROD,SAFETY VALVE.

The SPINDLE ROD,SAFETY VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: STEM,FLUID VALVE, reference_number_differentiating_characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-312-4168, 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
A-5149VM
NSN: 4820-01-312-4168
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
end_item_identificationSTEM,FLUID VALVE
reference_number_differentiating_characteristicsMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
NSN4820-01-312-4168
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-5149VM · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONSTEM,FLUID VALVE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
SUBSTITUTES & CROSS-REFERENCES 2
A-5149Reference document
Same NSN cross-reference
Reference document — Secondary reference
5149,HZReference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 A-5149VM?
A-5149VM is a SPINDLE ROD,SAFETY VALVE.
What parts can replace A-5149VM?
There are 2 known substitutes for A-5149VM: A-5149, 5149,HZ. Substitute compatibility should be verified for your specific system.
What is the NSN for A-5149VM?
A-5149VM is cataloged in the U.S. Government catalog under NSN 4820-01-312-4168. 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.