PartsTable
Technical Data Sheet

123/05740 — COVER,PROTECTIVE,DUST AND MOISTU

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

123/05740: COVER,PROTECTIVE,DUST AND MOISTU.

COVER,PROTECTIVE,DUST AND MOISTU. Key specifications include shape: ROUND, overall_length: 13.1 INCHES NOMINAL IN, special_features: MATERIAL IS NYLON 66, overall_thickness: 11.5 INCHES NOMINAL IN, end_item_identification: 2360-01-719-5889, open_end_inside_diameter: 30.0 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-724-1256, 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
123/05740
NSN: 5340-01-724-1256
FSC: 5340 — Hardware, Commercial
CAGE: 0JKF0 — JCB INC. (USA)
SPECIFICATIONS
shapeROUND
overall_length13.1 INCHES NOMINAL IN
special_featuresMATERIAL IS NYLON 66
overall_thickness11.5 INCHES NOMINAL IN
end_item_identification2360-01-719-5889
open_end_inside_diameter30.0 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyCAP
NSN5340-01-724-1256
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 123/05740 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
•
OVERALL THICKNESS: 11.5 INCHES NOMINAL IN
•
SHAPE: ROUND
•
OPEN END INSIDE DIAMETER: 30.0 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS11.5 INCHES NOMINAL IN
SHAPEROUND
OVERALL LENGTH13.1 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL IS NYLON 66
OPEN END INSIDE DIAMETER30.0 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCAP
END ITEM IDENTIFICATION2360-01-719-5889
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
Ready to buy 123/05740?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 123/05740?
123/05740 is a COVER,PROTECTIVE,DUST AND MOISTU.
What is the NSN for 123/05740?
123/05740 is cataloged in the U.S. Government catalog under NSN 5340-01-724-1256. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 123/05740

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.