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PartsTable / COMPONENT / 322AS149-2
322AS149-2 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING STEM, bonnet_type: INSIDE SCREW, thread_class: 3B ALL ENDS, connection_style: FLARE(TUBE) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-146-9407, 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
322AS149-2
NSN: 4820-00-146-9407
FSC: 4820
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING STEM
bonnet_typeINSIDE SCREW
thread_class3B ALL ENDS
connection_styleFLARE(TUBE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
operating_pressure3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.438 INCHES ALL ENDS IN
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
media_for_which_designedAIR FIRST RESPONSE
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN4820-00-146-9407
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 322AS149-2 · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: STEEL CORROSION RESISTING BODY
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
•
MEDIA FOR WHICH DESIGNED: NITROGEN, GASEOUS SECOND RESPONSE
•
THREAD CLASS: 3B ALL ENDS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
CONNECTION STYLE: FLARE(TUBE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT THRU
MATERIALSTEEL CORROSION RESISTING BODY
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
MEDIA FOR WHICH DESIGNEDNITROGEN, GASEOUS SECOND RESPONSE
MATERIALPLASTIC POLYAMIDE NYLON SEAT
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION STYLEFLARE(TUBE) ALL ENDS
BONNET ATTACHMENT METHODTHREADED
OPERATING PRESSURE3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
179006Interchangeable
interchangeable cross-reference
interchangeable
1647Interchangeable
interchangeable cross-reference
interchangeable
1F9294Interchangeable
interchangeable cross-reference
interchangeable
61550Interchangeable
interchangeable cross-reference
interchangeable
RE61A222TYPE61550Interchangeable
interchangeable cross-reference
interchangeable
487855-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 322AS149-2?
322AS149-2 is a VALVE,BALL.
What parts can replace 322AS149-2?
There are 22 known substitutes for 322AS149-2: 179006, 1647, 1F9294 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 322AS149-2?
322AS149-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-146-9407. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026