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394A — REGULATOR,OXYGEN,DILUTER DEMAND

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

394A: REGULATOR,OXYGEN,DILUTER DEMAND.

REGULATOR,OXYGEN,DILUTER DEMAND. Key specifications include tube_type: THYRATRON, body_style: COAXIAL TYPE, power_rating: 200.0 WATTS AVERAGE, overall_width: 7.125 INCHES NOMINAL IN, overall_height: 3.000 INCHES NOMINAL IN, overall_length: 11.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0305, 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
394A
NSN: 3110-00-100-0305
NIINs: 001000305, 001169961, 009198548
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 51588 — RBC BEARINGS INCORPORATED DIV WEST TRENTON DIVISION (USA)
SPECIFICATIONS
tube_typeTHYRATRON
body_styleCOAXIAL TYPE
power_rating200.0 WATTS AVERAGE
overall_width7.125 INCHES NOMINAL IN
overall_height3.000 INCHES NOMINAL IN
overall_length11.250 INCHES NOMINAL IN
frequency_range1.000 GIGAHERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM
scale_linearityLINEAR
application_designTRANSMISSION LINE
scale_division_quantity120
impedance_rating_in_ohms50.0 INPUT-OUTPUT
terminal_type_and_quantity4 CONNECTOR, COAXIAL, FEMALE
NSN3110-00-100-0305
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 394A · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 7
96X394AReference document
Same NSN cross-reference
Reference document — Secondary reference
29214HReference document
Same NSN cross-reference
Reference document — Secondary reference
4250837-4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
94366R1Reference document
Same NSN cross-reference
Reference document — Secondary reference
3110001000305Reference document
Same NSN cross-reference
Reference document — Informative reference only
C5NN-4874-BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 394A?
394A is a REGULATOR,OXYGEN,DILUTER DEMAND.
What parts can replace 394A?
There are 7 known substitutes for 394A: 96X394A, 29214H, 4250837-4 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 394A?
394A is cataloged in the U.S. Government catalog under NSN 3110-00-100-0305. 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.