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4370145 — ARMOR,SUPPLEMENTAL,SMALL ARMS-FR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4370145: ARMOR,SUPPLEMENTAL,SMALL ARMS-FR.

ARMOR,SUPPLEMENTAL,SMALL ARMS-FR. Key specifications include material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.239 INCHES NOMINAL IN, cross-sectional_height: 0.064 INCHES NOMINAL IN, end_item_identification: 01-652-5208. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-473-8319, 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
4370145
NSN: 5340-01-473-8319
NIINs: 014738319, 016736077, 017178153
FSC: 5340 — Hardware, Commercial
CAGE: 1QME2 — JOHN DEERE CONSTRUCTION & FORESTRY COMPANY (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM
hardness_rating80.0 SHORE DUROMETER A NOMINAL
center_hole_diameter0.239 INCHES NOMINAL IN
cross-sectional_height0.064 INCHES NOMINAL IN
end_item_identification01-652-5208
NSN5340-01-473-8319
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4370145 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONCONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE 1 (HYEX) (MODEL 230 LCR HX1), NSN 3805-01-463-0804, TM5-3805-280-24-P
SUBSTITUTES & CROSS-REFERENCES 1
AT214192Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 4370145?
4370145 is a ARMOR,SUPPLEMENTAL,SMALL ARMS-FR.
What parts can replace 4370145?
There is 1 known substitute for 4370145: AT214192. Substitute compatibility should be verified for your specific system.
What is the NSN for 4370145?
4370145 is cataloged in the U.S. Government catalog under NSN 5340-01-473-8319. This indicates validated use in U.S. government and defense supply chains.
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