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314395 — TUBE ASSEMBLY,METAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

314395: TUBE ASSEMBLY,METAL.

The TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include material: STEEL SINGLE END, design_form: PREBENT, thread_class: 3B SINGLE END, wall_thickness: 0.020 INCHES NOMINAL IN, thread_direction: RIGHT-HAND SINGLE END, seat_angle_in_deg: 12.0 SINGLE END. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-353-1693, 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
314395
NSN: 5340-00-353-1693
NIINs: 003531693, 011434449
FSC: 5340 — Hardware, Commercial
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
materialSTEEL SINGLE END
design_formPREBENT
thread_class3B SINGLE END
wall_thickness0.020 INCHES NOMINAL IN
thread_directionRIGHT-HAND SINGLE END
seat_angle_in_deg12.0 SINGLE END
mating_end_quantity2 SINGLE END
nominal_thread_size0.438 INCHES SINGLE END IN
end_connection_styleSWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE SINGLE END
tube_outside_diameter0.250 INCHES NOMINAL IN
end_connection_spec/stdANA,AN818,PART NO. AN818-4 AND MIL,MS20819,PART NO. MS20819-4
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END
NSN5340-00-353-1693
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 314395 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM ALLOY CASTING,WEBBE,THREE MTG HOLES,0.280 IN.DIA IRREGULARLY SPACED,6.660 IN.O/A LG,1.000 IN.O/A W,5.250 IN.O/A H IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM ALLOY CASTING,WEBBE,THREE MTG HOLES,0.280 IN.DIA IRREGULARLY SPACED,6.660 IN.O/A LG,1.000 IN.O/A W,5.250 IN.O/A H IN
SUBSTITUTES & CROSS-REFERENCES 2
302548Reference document
Same NSN cross-reference
Reference document — Secondary reference
31495Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 314395?
314395 is a TUBE ASSEMBLY,METAL.
What parts can replace 314395?
There are 2 known substitutes for 314395: 302548, 31495. Substitute compatibility should be verified for your specific system.
What is the NSN for 314395?
314395 is cataloged in the U.S. Government catalog under NSN 5340-00-353-1693. 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.