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X38458 — X38458

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

X38458: X38458.

The X38458 is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: SPLINE EXTENDED WASHER, grip_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, head_height: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-154-5199, 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
X38458
NSN: 5340-01-154-5199
NIINs: 011545199, 013503150
FSC: 5340 — Hardware, Commercial
CAGE: 80739 — BEATRICE FOODS CO TAYLOR FREEZER DIV (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleSPLINE EXTENDED WASHER
grip_length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
head_height0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
thread_length0.538 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length1.023 INCHES MINIMUM AND 1.053 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
head_minor_diameter0.383 INCHES MINIMUM IN
NSN5340-01-154-5199
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: X38458 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
SUBSTITUTES & CROSS-REFERENCES 1
X15936Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is X38458?
X38458 is a X38458.
What parts can replace X38458?
There is 1 known substitute for X38458: X15936. Substitute compatibility should be verified for your specific system.
What is the NSN for X38458?
X38458 is cataloged in the U.S. Government catalog under NSN 5340-01-154-5199. This indicates validated use in U.S. government and defense supply chains.
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