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A3214 — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

A3214: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include shape: ROUND, material: STEEL OVERALL, body_width: 1.200 INCHES NOMINAL IN, shell_type: SOLID, body_height: 1.810 INCHES NOMINAL IN, body_length: 1.200 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-439-6325, 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
MRO→ MRO_GENERAL→ A3214
NSN: 4820-00-439-6325
NIINs: 004396325, 006746542, 011498524, 012103475, 014663609, 015554873
FSC: 4820 — Valves, Nonpowered
CAGE: 03933 — ARMSTRONG INTERNATIONAL INC DBA ARMSTRONG MACHINE WORKS (USA)
SPECIFICATIONS
shapeROUND
materialSTEEL OVERALL
quantity1
body_width1.200 INCHES NOMINAL IN
shell_typeSOLID
body_height1.810 INCHES NOMINAL IN
body_length1.200 INCHES NOMINAL IN
flange_shapeROUND WITH HOLES ALL ENDS
body_materialSTEEL
terminal_typeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
inclosure_typeENCASED
connection_typeFLANGE ALL ENDS
NSN4820-00-439-6325
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A3214 · 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
•
OVERALL DIAMETER: 4.000 INCHES NOMINAL IN
•
CONNECTION TYPE: THREADED
•
QUANTITY: 1
•
SHAPE: ROUND
•
THREAD LOCATION: INTERNAL
•
SYSTEM FOR WHICH DESIGNED: OPEN
•
MATERIAL: STEEL CORROSION RESISTING
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1/8-27 NPT
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER4.000 INCHES NOMINAL IN
CONNECTION TYPETHREADED
QUANTITY1
SHAPEROUND
THREAD LOCATIONINTERNAL
SYSTEM FOR WHICH DESIGNEDOPEN
MATERIALSTEEL CORROSION RESISTING
THREAD SIZE AND SERIES/TYPE DESIGNATOR1/8-27 NPT
SUBSTITUTES & CROSS-REFERENCES 2
MS2174PC10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3318637Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A3214?
A3214 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A3214?
There are 2 known substitutes for A3214: MS2174PC10, 3318637. Substitute compatibility should be verified for your specific system.
What is the NSN for A3214?
A3214 is cataloged in the U.S. Government catalog under NSN 4820-00-439-6325. 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.