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Technical Data Sheet
PartsTable / COMPONENT / 1670-7-9
1670-7-9 ✓ 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 BACK-UP RING,PREFORMED PACKING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, special_features: FRESH WATER FLOWS THROUGH THE VALVE ON WHICH THIS SUPPORT PACKING IS A REPLACEMENT PART, end_item_identification: VALVE,NEEDLE 1/2" NPS HASTELLOY C276, cross-sectional_shape_style: SOLID. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-547-3726, 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
1670-7-9
NSN: 5330-01-547-3726
FSC: 5330
CAGE: 62144 — PARKER HANNIFIN CORPORATION DIV VILLAGE MARINE TECH (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
special_featuresFRESH WATER FLOWS THROUGH THE VALVE ON WHICH THIS SUPPORT PACKING IS A REPLACEMENT PART
end_item_identificationVALVE,NEEDLE 1/2" NPS HASTELLOY C276
cross-sectional_shape_styleSOLID
NSN5330-01-547-3726
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1670-7-9 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
•
CROSS-SECTIONAL SHAPE STYLE: SOLID
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID
SPECIAL FEATURESFRESH WATER FLOWS THROUGH THE VALVE ON WHICH THIS SUPPORT PACKING IS A REPLACEMENT PART
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
END ITEM IDENTIFICATIONVALVE,NEEDLE 1/2" NPS HASTELLOY C276
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
1154Interchangeable
interchangeable cross-reference
interchangeable
374CInterchangeable
interchangeable cross-reference
interchangeable
1607-0009Interchangeable
interchangeable cross-reference
interchangeable
13200E8807-1Interchangeable
interchangeable cross-reference
interchangeable
13200E8807Interchangeable
interchangeable cross-reference
interchangeable
16079Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1670-7-9?
1670-7-9 is a BACK-UP RING,PREFORMED PACKING.
What parts can replace 1670-7-9?
There are 11 known substitutes for 1670-7-9: 1154, 374C, 1607-0009 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1670-7-9?
1670-7-9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-547-3726. 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