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PartsTable / COMPONENT / D-387 PIECE 19
D-387 PIECE 19 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, material_document_and_classification: MIL-G-1149 TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-221-9907, 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
D-387 PIECE 19
NSN: 5330-01-221-9907
FSC: 5330
CAGE: 05805 — REXNORD INDUSTRIES LLC DIV STEARNS (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
material_document_and_classificationMIL-G-1149 TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-221-9907
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D-387 PIECE 19 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
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-1149 TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-1149 TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
70-0905-355Interchangeable
interchangeable cross-reference
interchangeable
6380Interchangeable
interchangeable cross-reference
interchangeable
41Interchangeable
interchangeable cross-reference
interchangeable
DA6380Interchangeable
interchangeable cross-reference
interchangeable
14U1109PCDA6380Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-2692Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-387 PIECE 19?
D-387 PIECE 19 is a GASKET.
What parts can replace D-387 PIECE 19?
There are 14 known substitutes for D-387 PIECE 19: 70-0905-355, 6380, 41 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D-387 PIECE 19?
D-387 PIECE 19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-221-9907. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026