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PartsTable / COMPONENT / A7974-001-142
A7974-001-142 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, rim_surface_width: 0.063 INCHES NOMINAL IN, peripheral_diameter: 0.670 INCHES NOMINAL IN, center_hole_diameter: 0.500 INCHES NOMINAL IN, cross-sectional_height: 0.156 INCHES NOMINAL IN, cross-sectional_shape_style: SPECIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-118-2342, 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
A7974-001-142
NSN: 5330-00-118-2342
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
rim_surface_width0.063 INCHES NOMINAL IN
peripheral_diameter0.670 INCHES NOMINAL IN
center_hole_diameter0.500 INCHES NOMINAL IN
cross-sectional_height0.156 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
material_document_and_classificationMIL-P-19468 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-118-2342
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A7974-001-142 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
20186PC18Interchangeable
interchangeable cross-reference
interchangeable
9635PC31Interchangeable
interchangeable cross-reference
interchangeable
9651PC37Interchangeable
interchangeable cross-reference
interchangeable
SW144 FIND 28Interchangeable
interchangeable cross-reference
interchangeable
A7974.001.145Interchangeable
interchangeable cross-reference
interchangeable
A7974-001-142Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A7974-001-142?
A7974-001-142 is a PACKING,PREFORMED.
What parts can replace A7974-001-142?
There are 10 known substitutes for A7974-001-142: 20186PC18, 9635PC31, 9651PC37 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A7974-001-142?
A7974-001-142 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-118-2342. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026