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STD323-18 — CAP-PLUG,PROTECTIVE,DUST AND MOI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

STD323-18: CAP-PLUG,PROTECTIVE,DUST AND MOI.

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: PLASTIC, length_under_shoulder: 0.562 INCHES NOMINAL IN, closed_end_overall_diameter: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-453-4040, 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
STD323-18
NSN: 5340-00-453-4040
FSC: 5340 — Hardware, Commercial
CAGE: U4287 — ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED (GBR)
SPECIFICATIONS
materialPLASTIC
length_under_shoulder0.562 INCHES NOMINAL IN
closed_end_overall_diameter0.750 INCHES NOMINAL IN
NSN5340-00-453-4040
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: STD323-18 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
•
CLOSED END OVERALL DIAMETER: 0.750 INCHES NOMINAL IN
•
LENGTH UNDER SHOULDER: 0.562 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
CLOSED END OVERALL DIAMETER0.750 INCHES NOMINAL IN
LENGTH UNDER SHOULDER0.562 INCHES NOMINAL IN
MATERIALPLASTIC
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is STD323-18?
STD323-18 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What is the NSN for STD323-18?
STD323-18 is cataloged in the U.S. Government catalog under NSN 5340-00-453-4040. This indicates validated use in U.S. government and defense supply chains.
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