PartsTable / COMPONENT / 1143/1
1143/1
✓ 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 1143/1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-091-9432, 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
1143/1
NSN: 5340-01-091-9432 FSC: 5340 CAGE: 97539 — APM HEXSEAL CORP (USA)
SPECIFICATIONS
Part Number 1143/1 NSN 5340-01-091-9432
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION
ID: —
CROSS-SECTION
CS: —
SPECIFICATION
Material: —
Durometer: —
Temp: —
PN: 1143/1
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 23
1077 Upgraded Successor successor cross-reference
successor
ETN2785 Upgraded Successor successor cross-reference
successor
CHA1077 Upgraded Successor successor cross-reference
successor
J3616 Interchangeable interchangeable cross-reference
interchangeable
16TX794 Interchangeable interchangeable cross-reference
interchangeable
9428562 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1143/1?
1143/1 is a 1143/1.
What parts can replace 1143/1?
There are 23 known substitutes for 1143/1: 1077, ETN2785, CHA1077 and 20 more. Substitute compatibility should be verified for your specific system.
Is 1143/1 still available?
1143/1 is currently cancelled.