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A301594 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The LOCKING PLATE,NUT AND BOLT is a the manufacturer industrial component. Key specifications include width: 1.250 INCHES NOMINAL IN, plate_thickness: 0.030 INCHES NOMINAL IN, bolt_circle_diameter: 0.800 INCHES NOMINAL IN, fsc_application_data: SHIP AND BOAT PROPULSION COMPONENTS, mounting_hole_diameter: 0.350 INCHES NOMINAL IN, cross-sectional_shape_style: FLAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-045-6750, 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
A301594
NSN: 5340-00-045-6750
FSC: 5340
CAGE: 77873 — ROCKFORD POWERTRAIN INC DIV POWERTRAIN ROCKFORD, INC. (USA)
SPECIFICATIONS
width1.250 INCHES NOMINAL IN
materialSTEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1055 OR STEEL COMP 1065 OR STEEL COMP 1075 OR STEEL COMP 1085 OR STEEL COMP 1095
plate_thickness0.030 INCHES NOMINAL IN
bolt_circle_diameter0.800 INCHES NOMINAL IN
fsc_application_dataSHIP AND BOAT PROPULSION COMPONENTS
mounting_hole_diameter0.350 INCHES NOMINAL IN
mounting_hole_quantity3
cross-sectional_shape_styleFLAT
prebent_locking_feature_locationALL
material_document_and_classificationQQ-S-777-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-045-6750
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A301594 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
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
MATERIAL: STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1055 OR STEEL COMP 1065 OR STEEL COMP 1075 OR STEEL COMP 1085 OR STEEL COMP 1095
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-777-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
•
FSC APPLICATION DATA: SHIP AND BOAT PROPULSION COMPONENTS
•
BOLT CIRCLE DIAMETER: 0.800 INCHES NOMINAL IN
•
PREBENT LOCKING FEATURE LOCATION: ALL
•
MOUNTING HOLE QUANTITY: 3
•
PLATE THICKNESS: 0.030 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEFLAT
MATERIALSTEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1055 OR STEEL COMP 1065 OR STEEL COMP 1075 OR STEEL COMP 1085 OR STEEL COMP 1095
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-777-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
FSC APPLICATION DATASHIP AND BOAT PROPULSION COMPONENTS
BOLT CIRCLE DIAMETER0.800 INCHES NOMINAL IN
PREBENT LOCKING FEATURE LOCATIONALL
MOUNTING HOLE QUANTITY3
PLATE THICKNESS0.030 INCHES NOMINAL IN
WIDTH1.250 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.350 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
240212Interchangeable
interchangeable cross-reference
interchangeable
205370Interchangeable
interchangeable cross-reference
interchangeable
2786333 AND 916490Interchangeable
interchangeable cross-reference
interchangeable
SM0817Interchangeable
interchangeable cross-reference
interchangeable
205-370-040-362Interchangeable
interchangeable cross-reference
interchangeable
C8004-09-003FN33Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A301594?
A301594 is a LOCKING PLATE,NUT AND BOLT.
What parts can replace A301594?
There are 7 known substitutes for A301594: 240212, 205370, 2786333 AND 916490 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A301594?
A301594 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-045-6750. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026