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2666D — PACKING ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2666D: PACKING ASSEMBLY.

The PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 1.000 INCHES NOMINAL IN, material: PLASTIC POLYAMIDE NYLON AND RUBBER CHLOROPRENE CLASS CR INTERMEDIATE RING, inside_diameter: 0.325 INCHES NOMINAL IN, outside_diameter: 0.750 INCHES NOMINAL IN, fsc_application_data: ELECTRICAL HARDWARE SUPPLIES, cross-sectional_shape_style: SQUARE/RECTANGULAR AND ANGLE INTERMEDIATE RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-202-2586, 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
2666D
NSN: 5330-00-202-2586
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
height1.000 INCHES NOMINAL IN
materialPLASTIC POLYAMIDE NYLON AND RUBBER CHLOROPRENE CLASS CR INTERMEDIATE RING
inside_diameter0.325 INCHES NOMINAL IN
outside_diameter0.750 INCHES NOMINAL IN
fsc_application_dataELECTRICAL HARDWARE SUPPLIES
intermediate_ring_quantity2
cross-sectional_shape_styleSQUARE/RECTANGULAR AND ANGLE INTERMEDIATE RING
material_document_and_classificationMIL-S-6855,GR 40 MIL SPEC 2ND MATERIAL RESPONSE INTERMEDIATE RING
NSN5330-00-202-2586
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2666D 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
•
FSC APPLICATION DATA: ELECTRICAL HARDWARE SUPPLIES
•
INTERMEDIATE RING QUANTITY: 2
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6855,GR 40 MIL SPEC 2ND MATERIAL RESPONSE INTERMEDIATE RING
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR AND ANGLE INTERMEDIATE RING
•
INSIDE DIAMETER: 0.325 INCHES NOMINAL IN
•
HEIGHT: 1.000 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON AND RUBBER CHLOROPRENE CLASS CR INTERMEDIATE RING
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAELECTRICAL HARDWARE SUPPLIES
INTERMEDIATE RING QUANTITY2
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6855,GR 40 MIL SPEC 2ND MATERIAL RESPONSE INTERMEDIATE RING
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR AND ANGLE INTERMEDIATE RING
INSIDE DIAMETER0.325 INCHES NOMINAL IN
HEIGHT1.000 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON AND RUBBER CHLOROPRENE CLASS CR INTERMEDIATE RING
MATERIALPLASTIC POLYAMIDE NYLON TOP RING
MATERIALPLASTIC POLYAMIDE NYLON BOTTOM RING
SUBSTITUTES & CROSS-REFERENCES 8
SEM-216513ZReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
M19622/17-01Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4010511-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
PL1887874 IT. 9Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MIL-S-19622/17Reference document
Same NSN cross-reference
Reference document — Identification reference
105Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2666D?
2666D is a PACKING ASSEMBLY.
What parts can replace 2666D?
There are 8 known substitutes for 2666D: SEM-216513Z, M19622/17-01, 4010511-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2666D?
2666D is cataloged in the U.S. Government catalog under NSN 5330-00-202-2586. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.