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12479694 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12479694: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: STEEL, design_type: FRICTION, overall_diameter: 3.437 INCHES MINIMUM AND 3.453 INCHES MAXIMUM IN, surface_treatment: ZINC, end_item_identification: 2320-01-447-6345, round_cap_outside_surface_condition: SMOOTH. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-494-7243, 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
12479694
NSN: 5340-01-494-7243
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
design_typeFRICTION
overall_diameter3.437 INCHES MINIMUM AND 3.453 INCHES MAXIMUM IN
surface_treatmentZINC
end_item_identification2320-01-447-6345
round_cap_outside_surface_conditionSMOOTH
material_document_and_classificationAISI C1010 ASSN STD SINGLE MATERIAL RESPONSE
opening_inside_diameter_for_which_designed3.440 INCHES NOMINAL IN
NSN5340-01-494-7243
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12479694 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: 3.437 INCHES MINIMUM AND 3.453 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI C1010 ASSN STD SINGLE MATERIAL RESPONSE
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 3.440 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC
•
MATERIAL: STEEL
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER3.437 INCHES MINIMUM AND 3.453 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI C1010 ASSN STD SINGLE MATERIAL RESPONSE
OPENING INSIDE DIAMETER FOR WHICH DESIGNED3.440 INCHES NOMINAL IN
SURFACE TREATMENTZINC
END ITEM IDENTIFICATION2320-01-447-6345
MATERIALSTEEL
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

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 12479694?
12479694 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 12479694?
12479694 is cataloged in the U.S. Government catalog under NSN 5340-01-494-7243. This indicates validated use in U.S. government and defense supply chains.
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