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Technical Data Sheet
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744303-A — BOLT,LOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

744303-A: BOLT,LOCK.

The BOLT,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL, end_item_identification: CRADLE FOR ACB-4000 CKT BREAKER, part_name_assigned_by_controlling_agency: LOCKING BOLT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-595-9374, 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
744303-A
NSN: 5340-01-595-9374
FSC: 5340 — Hardware, Commercial
CAGE: 30086 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC. DBA SPD ELECTRICAL SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL
end_item_identificationCRADLE FOR ACB-4000 CKT BREAKER
part_name_assigned_by_controlling_agencyLOCKING BOLT
NSN5340-01-595-9374
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 744303-A 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: STEEL
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCKING BOLT
END ITEM IDENTIFICATIONCRADLE FOR ACB-4000 CKT BREAKER
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 1
702369 ITEM 149Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 744303-A?
744303-A is a BOLT,LOCK.
What parts can replace 744303-A?
There is 1 known substitute for 744303-A: 702369 ITEM 149. Substitute compatibility should be verified for your specific system.
What is the NSN for 744303-A?
744303-A is cataloged in the U.S. Government catalog under NSN 5340-01-595-9374. This indicates validated use in U.S. government and defense supply chains.
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