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Technical Data Sheet
PartsTable / COMPONENT / A1059
A1059 ✓ 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 BAIL,RETAINING is a the manufacturer industrial component. Key specifications include material: ALUMINUM, part_name_assigned_by_controlling_agency: CLAMP SKULL MODIFIED ALUM MAYFIELD 3PT RIGID SKELETAL FIXATION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-358-4283, 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
A1059
NSN: 5340-00-358-4283
FSC: 5340
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
materialALUMINUM
part_name_assigned_by_controlling_agencyCLAMP SKULL MODIFIED ALUM MAYFIELD 3PT RIGID SKELETAL FIXATION
NSN5340-00-358-4283
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A1059 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
A1059Upgraded Successor
successor cross-reference
successor
99-0623Upgraded Successor
successor cross-reference
successor
L501FInterchangeable
interchangeable cross-reference
interchangeable
C1151PBInterchangeable
interchangeable cross-reference
interchangeable
PM-501Interchangeable
interchangeable cross-reference
interchangeable
000254Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1059?
A1059 is a BAIL,RETAINING.
What parts can replace A1059?
There are 33 known substitutes for A1059: A1059, 99-0623, L501F and 30 more. Substitute compatibility should be verified for your specific system.
Is A1059 still available?
A1059 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026