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574301 — CAP-PLUG,PROTECTIVE,DUST AND MOI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

574301: CAP-PLUG,PROTECTIVE,DUST AND MOI.

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: RUBBER SILICONE, special_features: MIMIMUM PURCHASE NUMBER IS 10,200. AT 0.0334 CENTS PER UNIT., length_under_shoulder: 0.250 INCHES NOMINAL IN, open_end_inside_diameter: 0.093 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: CAP, PROTECTIVE.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-577-7322, 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
574301
NSN: 5340-01-577-7322
FSC: 5340 — Hardware, Commercial
CAGE: 15819 — SINCLAIR & RUSH, INC. DBA SINCLAIR & RUSH INC (USA)
SPECIFICATIONS
materialRUBBER SILICONE
special_featuresMIMIMUM PURCHASE NUMBER IS 10,200. AT 0.0334 CENTS PER UNIT.
length_under_shoulder0.250 INCHES NOMINAL IN
open_end_inside_diameter0.093 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyCAP, PROTECTIVE
NSN5340-01-577-7322
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 574301 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
•
LENGTH UNDER SHOULDER: 0.250 INCHES NOMINAL IN
•
OPEN END INSIDE DIAMETER: 0.093 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE
TECHNICAL CHARACTERISTICS
LENGTH UNDER SHOULDER0.250 INCHES NOMINAL IN
SPECIAL FEATURESMIMIMUM PURCHASE NUMBER IS 10,200. AT 0.0334 CENTS PER UNIT.
OPEN END INSIDE DIAMETER0.093 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCAP, PROTECTIVE
MATERIALRUBBER SILICONE
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 574301?
574301 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What is the NSN for 574301?
574301 is cataloged in the U.S. Government catalog under NSN 5340-01-577-7322. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.