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SMMCAP21 — SMMCAP21

✓ Government record, cited
LEONARDO TACTICAL SYSTEMS · ORING SEAL
PRODUCT OVERVIEW

SMMCAP21: SMMCAP21.

The SMMCAP21 is a LEONARDO TACTICAL SYSTEMS industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-453-3429, 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
SMMCAP21
NSN: 5340-01-453-3429
FSC: 5340 — Hardware, Commercial
CAGE: U0352 — DRS RUGGED SYSTEMS (EUROPE) LTD (GBR)
SPECIFICATIONS
Part NumberSMMCAP21
ManufacturerLEONARDO TACTICAL SYSTEMS
NSN5340-01-453-3429
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SMMCAP21 MFR: LEONARDO TACTICAL SYSTEMS ⚠ 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
•
OVERALL DIAMETER: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.875 INCHES NOMINAL IN
SPECIAL FEATURES0.500 IN. LG IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SMMCAP21?
SMMCAP21 is a SMMCAP21 manufactured by LEONARDO TACTICAL SYSTEMS.
What is the NSN for SMMCAP21?
SMMCAP21 is cataloged in the U.S. Government catalog under NSN 5340-01-453-3429. This indicates validated use in U.S. government and defense supply chains.
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