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1015-678-4298 — CRANK,BREECHBLOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1015-678-4298: CRANK,BREECHBLOCK.

The CRANK,BREECHBLOCK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-00-678-4298, 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
1015-678-4298
NSN: 5340-00-678-4298
FSC: 5340 — Hardware, Commercial
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
general_characteristics_item_description37-.46C AISI ALLOY STEEL,2.734 IN. THK,TWO MOUNTING HOLE,TOP HOLE IS 1.000 IN. DIA,BOTTOM HOLE IS 2.125 IN. DIA,3-1/4 IN. C TO C OF HOLES IN
NSN5340-00-678-4298
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1015-678-4298 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: 37-.46C AISI ALLOY STEEL,2.734 IN. THK,TWO MOUNTING HOLE,TOP HOLE IS 1.000 IN. DIA,BOTTOM HOLE IS 2.125 IN. DIA,3-1/4 IN. C TO C OF HOLES IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION37-.46C AISI ALLOY STEEL,2.734 IN. THK,TWO MOUNTING HOLE,TOP HOLE IS 1.000 IN. DIA,BOTTOM HOLE IS 2.125 IN. DIA,3-1/4 IN. C TO C OF HOLES IN
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
1015006784298Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 1015-678-4298?
1015-678-4298 is a CRANK,BREECHBLOCK.
What parts can replace 1015-678-4298?
There is 1 known substitute for 1015-678-4298: 1015006784298. Substitute compatibility should be verified for your specific system.
What is the NSN for 1015-678-4298?
1015-678-4298 is cataloged in the U.S. Government catalog under NSN 5340-00-678-4298. This indicates validated use in U.S. government and defense supply chains.
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