PartsTable
Technical Data Sheet
21170001 ✓ 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

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include body_material: ALUMINUM ALLOY 6061, special_features: VALVE SZ 1, end_item_identification: SEAWOLF CLASS SSN, operating_pressure_and_type: 3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-233-7791, 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
21170001
NSN: 5331-01-233-7791
FSC: 5331 — O-RING
CAGE: 30058 — DELTA POWER HYDRAULIC CO (USA)
SPECIFICATIONS
body_materialALUMINUM ALLOY 6061
spool_quantity1
special_featuresVALVE SZ 1
end_item_identificationSEAWOLF CLASS SSN
operating_pressure_and_type3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
NSN5331-01-233-7791
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21170001 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 4
21170-001Interchangeable
interchangeable cross-reference
interchangeable
211032704Interchangeable
interchangeable cross-reference
interchangeable
21170Interchangeable
interchangeable cross-reference
interchangeable
60108014Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21170001?
21170001 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 21170001?
There are 4 known substitutes for 21170001: 21170-001, 211032704, 21170 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21170001?
21170001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-233-7791. This indicates validated use in U.S. government and defense supply chains.
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