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MCS-99-673-001-129 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MCS-99-673-001-129: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 12.000 INCHES NOMINAL IN, length: 30.000 INCHES NOMINAL IN, material: STEEL, end_item_identification: ROLL ON/ROLL OFF DISCHARGE FACILITY, 1945-01-473-2282. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-495-5628, 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
MCS-99-673-001-129
NSN: 5340-01-495-5628
FSC: 5340 — Hardware, Commercial
CAGE: 06101 — UNITED STATES COAST GUARD YARD (USA)
SPECIFICATIONS
width12.000 INCHES NOMINAL IN
length30.000 INCHES NOMINAL IN
materialSTEEL
special_featuresSHAPE IS BASIC RECTANGULAR, WITH 4 SQUARE SHAPED EARS (3" X 3" X 1/4") POSITIONED ON CORNERS INSIDE THE DIMENSION OF THE WIDTH.
end_item_identificationROLL ON/ROLL OFF DISCHARGE FACILITY, 1945-01-473-2282
NSN5340-01-495-5628
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MCS-99-673-001-129 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: 30.000 INCHES NOMINAL IN
•
WIDTH: 12.000 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
LENGTH30.000 INCHES NOMINAL IN
SPECIAL FEATURESSHAPE IS BASIC RECTANGULAR, WITH 4 SQUARE SHAPED EARS (3" X 3" X 1/4") POSITIONED ON CORNERS INSIDE THE DIMENSION OF THE WIDTH.
WIDTH12.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONROLL ON/ROLL OFF DISCHARGE FACILITY, 1945-01-473-2282
MATERIALSTEEL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MCS-99-673-001-129?
MCS-99-673-001-129 is a COVER,ACCESS.
What is the NSN for MCS-99-673-001-129?
MCS-99-673-001-129 is cataloged in the U.S. Government catalog under NSN 5340-01-495-5628. 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.