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133-8578 — CAP-PLUG,PROTECTIVE,DUST AND MOI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

133-8578: CAP-PLUG,PROTECTIVE,DUST AND MOI.

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: RUBBER, end_item_identification: HAMMER HOUSING PART NO. 1063173 AND 1210794, part_name_assigned_by_controlling_agency: PLUG.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-545-3554, 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
133-8578
NSN: 5340-01-545-3554
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialRUBBER
end_item_identificationHAMMER HOUSING PART NO. 1063173 AND 1210794
part_name_assigned_by_controlling_agencyPLUG
NSN5340-01-545-3554
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 133-8578 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
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYPLUG
END ITEM IDENTIFICATIONHAMMER HOUSING PART NO. 1063173 AND 1210794
MATERIALRUBBER
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
CV121453Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 133-8578?
133-8578 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace 133-8578?
There is 1 known substitute for 133-8578: CV121453. Substitute compatibility should be verified for your specific system.
What is the NSN for 133-8578?
133-8578 is cataloged in the U.S. Government catalog under NSN 5340-01-545-3554. 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.