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4028722 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4028722: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. This part is cataloged in the U.S. Government catalog under NSN 5340-01-172-3737, 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
4028722
NSN: 5340-01-172-3737
NIINs: 011723737, 016433196
FSC: 5340 — Hardware, Commercial
CAGE: Z3C29 — JLG INDUSTRIES (AUSTRALIA) JLG INDUSTRIES INC (AUS)
SPECIFICATIONS
Part Number4028722
NSN5340-01-172-3737
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4028722 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 3
129215ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PPDC3HKSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5R6846Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 4028722?
4028722 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 4028722?
There are 3 known substitutes for 4028722: 129215A, PPDC3HK, 5R6846. Substitute compatibility should be verified for your specific system.
What is the NSN for 4028722?
4028722 is cataloged in the U.S. Government catalog under NSN 5340-01-172-3737. This indicates validated use in U.S. government and defense supply chains.
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