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PartsTable / COMPONENT / AC1-1070
AC1-1070 ✓ 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

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: STEEL AND PLASTIC, design_type: THREADED, thread_class: 2A A, overall_diameter: 0.740 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN, special_features: CROSS RECESS DRIVE TYPE, features_provided: BEVELED SEAT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-957-0834, 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
AC1-1070
NSN: 5340-00-957-0834
FSC: 5340
CAGE: 09101 — AUSTIN CONTINENTAL INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL AND PLASTIC
design_typeTHREADED
thread_class2A A
overall_diameter0.740 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN
special_featuresCROSS RECESS DRIVE TYPE
features_providedBEVELED SEAT
thread_size_and_series/type_designator5/8-11 UNIFIED NATIONAL COARSE (UNC)
NSN5340-00-957-0834
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AC1-1070 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
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 5/8-11 UNIFIED NATIONAL COARSE (UNC)
•
OVERALL DIAMETER: 0.740 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN
•
DESIGN TYPE: THREADED
•
FEATURES PROVIDED: BEVELED SEAT
•
THREAD CLASS: 2A A
•
MATERIAL: STEEL AND PLASTIC
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SIZE AND SERIES/TYPE DESIGNATOR5/8-11 UNIFIED NATIONAL COARSE (UNC)
OVERALL DIAMETER0.740 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN
DESIGN TYPETHREADED
FEATURES PROVIDEDBEVELED SEAT
THREAD CLASS2A A
SPECIAL FEATURESCROSS RECESS DRIVE TYPE
MATERIALSTEEL AND PLASTIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
220011Interchangeable
interchangeable cross-reference
interchangeable
253456H1Interchangeable
interchangeable cross-reference
interchangeable
5749700REVLA-PC14Interchangeable
interchangeable cross-reference
interchangeable
KC49387-1Interchangeable
interchangeable cross-reference
interchangeable
22001-14Interchangeable
interchangeable cross-reference
interchangeable
22001-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AC1-1070?
AC1-1070 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace AC1-1070?
There are 9 known substitutes for AC1-1070: 220011, 253456H1, 5749700REVLA-PC14 and 6 more. Substitute compatibility should be verified for your specific system.
Is AC1-1070 still available?
AC1-1070 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