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751AS458 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

751AS458: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: STEEL CORROSION RESISTING, design_type: FRICTION, overall_diameter: 0.380 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN, surface_treatment: PASSIVATE, inside_diameter_length: 0.650 INCHES NOMINAL IN, round_cap_outside_surface_condition: SMOOTH. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-049-8102, 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
751AS458
NSN: 5340-01-049-8102
FSC: 5340 — Hardware, Commercial
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
design_typeFRICTION
overall_diameter0.380 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
inside_diameter_length0.650 INCHES NOMINAL IN
round_cap_outside_surface_conditionSMOOTH
tube_outside_diameter_for_which_designed0.380 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
opening_inside_diameter_for_which_designed0.280 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
NSN5340-01-049-8102
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 751AS458 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
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 0.380 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.380 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 0.280 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL CORROSION RESISTING
•
INSIDE DIAMETER LENGTH: 0.650 INCHES NOMINAL IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER0.380 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.380 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
OPENING INSIDE DIAMETER FOR WHICH DESIGNED0.280 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL CORROSION RESISTING
INSIDE DIAMETER LENGTH0.650 INCHES NOMINAL IN
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
X751AS458Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 751AS458?
751AS458 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 751AS458?
There is 1 known substitute for 751AS458: X751AS458. Substitute compatibility should be verified for your specific system.
What is the NSN for 751AS458?
751AS458 is cataloged in the U.S. Government catalog under NSN 5340-01-049-8102. This indicates validated use in U.S. government and defense supply chains.
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