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PartsTable / COMPONENT / ASTM-F1145-I1D 5/8X12
ASTM-F1145-I1D 5/8X12 ✓ 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 ASTM-F1145-I1D 5/8X12 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-187-8180, 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
ASTM-F1145-I1D 5/8X12
NSN: 5340-00-187-8180
FSC: 5340
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
Part NumberASTM-F1145-I1D 5/8X12
NSN5340-00-187-8180
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ASTM-F1145-I1D 5/8X12 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
•
LOCKING DEVICE TYPE: NUT
•
EYE WIDTH: 0.875 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
NOMINAL THREAD SIZE: 0.625 INCHES BODY IN
•
THREAD CLASS: 1A BODY A
•
BODY STYLE: ROUND OPEN BODY
•
SURFACE TREATMENT: ZINC OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) BODY
TECHNICAL CHARACTERISTICS (FLIS)
LOCKING DEVICE TYPENUT
EYE WIDTH0.875 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.625 INCHES BODY IN
THREAD CLASS1A BODY A
BODY STYLEROUND OPEN BODY
SURFACE TREATMENTZINC OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) BODY
LENGTH19.000 INCHES NOMINAL IN
BODY LENGTH13.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
ASTM F 1145-5Upgraded Successor
successor cross-reference
successor
FF-T-791Upgraded Successor
successor cross-reference
successor
11157-1-64Upgraded Successor
successor cross-reference
successor
MS27950-7Upgraded Successor
successor cross-reference
successor
FFT791-TY1-FM1-CL8-5/16X4 1/2Upgraded Successor
successor cross-reference
successor
HG-227-5/16X4 1/2Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASTM-F1145-I1D 5/8X12?
ASTM-F1145-I1D 5/8X12 is a ASTM-F1145-I1D 5/8X12.
What parts can replace ASTM-F1145-I1D 5/8X12?
There are 15 known substitutes for ASTM-F1145-I1D 5/8X12: ASTM F 1145-5, FF-T-791, 11157-1-64 and 12 more. Substitute compatibility should be verified for your specific system.
Is ASTM-F1145-I1D 5/8X12 still available?
ASTM-F1145-I1D 5/8X12 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