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Technical Data Sheet
DH37J1 ✓ 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 SEAL,PLAIN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-020-7746, 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
DH37J1
NSN: 5330-00-020-7746
FSC: 5330
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
Part NumberDH37J1
NSN5330-00-020-7746
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DH37J1 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 10
21267Interchangeable
interchangeable cross-reference
interchangeable
45-345226Interchangeable
interchangeable cross-reference
interchangeable
M176Interchangeable
interchangeable cross-reference
interchangeable
136002Interchangeable
interchangeable cross-reference
interchangeable
ASD1608Interchangeable
interchangeable cross-reference
interchangeable
450121RInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DH37J1?
DH37J1 is a SEAL,PLAIN.
What parts can replace DH37J1?
There are 10 known substitutes for DH37J1: 21267, 45-345226, M176 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DH37J1?
DH37J1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-020-7746. This indicates validated use in U.S. government and defense supply chains.
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