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PartsTable / COMPONENT / ASTM-F1145-I1D 1/2X9
ASTM-F1145-I1D 1/2X9 ✓ 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 1/2X9 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-187-8176, 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 1/2X9
NSN: 5340-00-187-8176
FSC: 5340
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
Part NumberASTM-F1145-I1D 1/2X9
NSN5340-00-187-8176
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ASTM-F1145-I1D 1/2X9 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
•
BODY STYLE: ROUND OPEN BODY
•
SURFACE TREATMENT: ZINC OVERALL
•
THREAD CLASS: 1A BODY A
•
LENGTH: 14.500 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.500 INCHES BODY IN
•
NONDEFINITIVE SPEC/STD DATA: D CLASS AND 1 GRADE AND 1 TYPE
•
END STYLE: CLOSED EYE AND CLOSED EYE
•
TAKE-UP DISTANCE: 9.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY STYLEROUND OPEN BODY
SURFACE TREATMENTZINC OVERALL
THREAD CLASS1A BODY A
LENGTH14.500 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.500 INCHES BODY IN
NONDEFINITIVE SPEC/STD DATAD CLASS AND 1 GRADE AND 1 TYPE
END STYLECLOSED EYE AND CLOSED EYE
TAKE-UP DISTANCE9.000 INCHES NOMINAL IN
LOCKING DEVICE TYPENUT
BODY LENGTH10.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
ASTM F 1145-5Upgraded Successor
successor cross-reference
successor
FF-T-791Upgraded Successor
successor cross-reference
successor
11157-1-64Upgraded Successor
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MS27950-7Upgraded Successor
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successor
FFT791-TY1-FM1-CL8-5/16X4 1/2Upgraded Successor
successor cross-reference
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HG-227-5/16X4 1/2Upgraded Successor
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LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASTM-F1145-I1D 1/2X9?
ASTM-F1145-I1D 1/2X9 is a ASTM-F1145-I1D 1/2X9.
What parts can replace ASTM-F1145-I1D 1/2X9?
There are 16 known substitutes for ASTM-F1145-I1D 1/2X9: ASTM F 1145-5, FF-T-791, 11157-1-64 and 13 more. Substitute compatibility should be verified for your specific system.
Is ASTM-F1145-I1D 1/2X9 still available?
ASTM-F1145-I1D 1/2X9 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