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318335 — TUBE ASSEMBLY,WELDED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

318335: TUBE ASSEMBLY,WELDED.

The TUBE ASSEMBLY,WELDED is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500 OR STEEL COMP 1090 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, load_rating: 14.390 POUNDS NOMINAL LBS, stock_diameter: 0.042 INCHES NOMINAL IN, inside_diameter: 0.156 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-341-9542, 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
318335
NSN: 5330-00-341-9542
NIINs: 003419542, 005701733, 012664776
FSC: 5330 — Packing and Gasket Materials
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
materialSTEEL UNS K08500 OR STEEL COMP 1090 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
load_rating14.390 POUNDS NOMINAL LBS
stock_diameter0.042 INCHES NOMINAL IN
inside_diameter0.156 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length0.810 INCHES NOMINAL IN
spring_solid_length0.525 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_deflection_rate60.000 POUNDS PER INCH NOMINAL LBS
spring_length_under_load0.569 INCHES NOMINAL IN
spring_free_outside_diameter0.240 INCHES NOMINAL IN
NSN5330-00-341-9542
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 318335 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
•
SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
•
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTS
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTS
SUBSTITUTES & CROSS-REFERENCES 1
318355Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 318335?
318335 is a TUBE ASSEMBLY,WELDED.
What parts can replace 318335?
There is 1 known substitute for 318335: 318355. Substitute compatibility should be verified for your specific system.
What is the NSN for 318335?
318335 is cataloged in the U.S. Government catalog under NSN 5330-00-341-9542. 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.