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3867AS784-1 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3867AS784-1: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: STEEL, design_type: FRICTION, overall_diameter: 4.5 INCHES NOMINAL IN, special_features: F/A18 NLG RED GEAR, end_item_identification: F/A18, part_name_assigned_by_controlling_agency: AXLE CAP, WELDMENT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-607-7955, 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
3867AS784-1
NSN: 5340-01-607-7955
FSC: 5340 — Hardware, Commercial
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL
design_typeFRICTION
overall_diameter4.5 INCHES NOMINAL IN
special_featuresF/A18 NLG RED GEAR
end_item_identificationF/A18
part_name_assigned_by_controlling_agencyAXLE CAP, WELDMENT
tube_outside_diameter_for_which_designed3.5 INCHES NOMINAL IN
opening_inside_diameter_for_which_designed3.50 INCHES MINIMUM AND 3.76 INCHES MAXIMUM IN
NSN5340-01-607-7955
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3867AS784-1 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: 4.5 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 3.5 INCHES NOMINAL IN
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 3.50 INCHES MINIMUM AND 3.76 INCHES MAXIMUM IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER4.5 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED3.5 INCHES NOMINAL IN
OPENING INSIDE DIAMETER FOR WHICH DESIGNED3.50 INCHES MINIMUM AND 3.76 INCHES MAXIMUM IN
SPECIAL FEATURESF/A18 NLG RED GEAR
PART NAME ASSIGNED BY CONTROLLING AGENCYAXLE CAP, WELDMENT
END ITEM IDENTIFICATIONF/A18
MATERIALSTEEL
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

No substitute or cross-reference records for this part.

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 3867AS784-1?
3867AS784-1 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 3867AS784-1?
3867AS784-1 is cataloged in the U.S. Government catalog under NSN 5340-01-607-7955. This indicates validated use in U.S. government and defense supply chains.
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