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Technical Data Sheet
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100MMB479 — CONNECTING LINK,RIGID

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

100MMB479: CONNECTING LINK,RIGID.

The CONNECTING LINK,RIGID is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-721-4309, 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
100MMB479
NSN: 5340-01-721-4309
FSC: 5340 — Hardware, Commercial
CAGE: 55739 — JEFFREY CHAIN L.P. (USA)
SPECIFICATIONS
Part Number100MMB479
NSN5340-01-721-4309
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 100MMB479 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 2
21222005 REV B FIND NO 15Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
21222005Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 100MMB479?
100MMB479 is a CONNECTING LINK,RIGID.
What parts can replace 100MMB479?
There are 2 known substitutes for 100MMB479: 21222005 REV B FIND NO 15, 21222005. Substitute compatibility should be verified for your specific system.
What is the NSN for 100MMB479?
100MMB479 is cataloged in the U.S. Government catalog under NSN 5340-01-721-4309. This indicates validated use in U.S. government and defense supply chains.
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