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MK1542 — HARDWARE KIT,MECHANIC EQUIPMENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MK1542: HARDWARE KIT,MECHANIC EQUIPMENT.

HARDWARE KIT,MECHANIC EQUIPMENT. Key specifications include end_item_identification: 1173-16-14, 1174-16-14, 1173-16-16 AND 1174-16-16 FLANGE, nonsupply_items_and_quantities: 4 SOCKET HEAD BOLTS; 4 HIGH-COLLAR LOCKWASHERS; 1 BUNA-N O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-541-1650, 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
MK1542
NSN: 5340-01-541-1650
FSC: 5340 — Hardware, Commercial
CAGE: 7X443 — MAIN MANUFACTURING PRODUCTS INC (USA)
SPECIFICATIONS
end_item_identification1173-16-14, 1174-16-14, 1173-16-16 AND 1174-16-16 FLANGE
nonsupply_items_and_quantities4 SOCKET HEAD BOLTS; 4 HIGH-COLLAR LOCKWASHERS; 1 BUNA-N O-RING
NSN5340-01-541-1650
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MK1542 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
•
NONSUPPLY ITEMS AND QUANTITIES: 4 SOCKET HEAD BOLTS; 4 HIGH-COLLAR LOCKWASHERS; 1 BUNA-N O-RING
TECHNICAL CHARACTERISTICS
NONSUPPLY ITEMS AND QUANTITIES4 SOCKET HEAD BOLTS; 4 HIGH-COLLAR LOCKWASHERS; 1 BUNA-N O-RING
END ITEM IDENTIFICATION1173-16-14, 1174-16-14, 1173-16-16 AND 1174-16-16 FLANGE
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MK1542?
MK1542 is a HARDWARE KIT,MECHANIC EQUIPMENT.
What is the NSN for MK1542?
MK1542 is cataloged in the U.S. Government catalog under NSN 5340-01-541-1650. 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.