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125001029E — CAP SET,PROTECTIVE,DUST AND MOIS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

125001029E: CAP SET,PROTECTIVE,DUST AND MOIS.

CAP SET,PROTECTIVE,DUST AND MOIS. Key specifications include part_name_assigned_by_controlling_agency: CAP,PROTECTIVE,DUST BMLL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-577-8721, 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
125001029E
NSN: 5340-01-577-8721
FSC: 5340 — Hardware, Commercial
CAGE: 3D6E9 — MERITOR INDUSTRIAL PRODUCTS, LLC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyCAP,PROTECTIVE,DUST BMLL
NSN5340-01-577-8721
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 125001029E 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYCAP,PROTECTIVE,DUST BMLL
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 1
3266E1279Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 125001029E?
125001029E is a CAP SET,PROTECTIVE,DUST AND MOIS.
What parts can replace 125001029E?
There is 1 known substitute for 125001029E: 3266E1279. Substitute compatibility should be verified for your specific system.
What is the NSN for 125001029E?
125001029E is cataloged in the U.S. Government catalog under NSN 5340-01-577-8721. 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.