PartsTable
Technical Data Sheet
Download PDF

MK624 — HARDWARE KIT,MECHANIC EQUIPMENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MK624: HARDWARE KIT,MECHANIC EQUIPMENT.

HARDWARE KIT,MECHANIC EQUIPMENT. Key specifications include special_features: O-RING IS OF VITON MATERIAL, AND LOCKWASHERS ARE HI-COOLAR TYPE, nonsupply_items_and_quantities: 1/2-13X2.5 SOCKET HEAD CAP SCREWS 4; 1/2-13 LOCKWASHERS 4; 228 O-RING 1. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-511-6379, 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
MK624
NSN: 5340-01-511-6379
FSC: 5340 — Hardware, Commercial
CAGE: 7X443 — MAIN MANUFACTURING PRODUCTS INC (USA)
SPECIFICATIONS
special_featuresO-RING IS OF VITON MATERIAL, AND LOCKWASHERS ARE HI-COOLAR TYPE
component_quantity9
nonsupply_items_and_quantities1/2-13X2.5 SOCKET HEAD CAP SCREWS 4; 1/2-13 LOCKWASHERS 4; 228 O-RING 1
NSN5340-01-511-6379
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MK624 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
•
COMPONENT QUANTITY: 9
•
NONSUPPLY ITEMS AND QUANTITIES: 1/2-13X2.5 SOCKET HEAD CAP SCREWS 4; 1/2-13 LOCKWASHERS 4; 228 O-RING 1
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY9
NONSUPPLY ITEMS AND QUANTITIES1/2-13X2.5 SOCKET HEAD CAP SCREWS 4; 1/2-13 LOCKWASHERS 4; 228 O-RING 1
SPECIAL FEATURESO-RING IS OF VITON MATERIAL, AND LOCKWASHERS ARE HI-COOLAR TYPE
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 MK624?
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 MK624?
MK624 is a HARDWARE KIT,MECHANIC EQUIPMENT.
What is the NSN for MK624?
MK624 is cataloged in the U.S. Government catalog under NSN 5340-01-511-6379. 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 — MK624

✓ 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.