PartsTable
Technical Data Sheet
Download PDF

303407-859 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

303407-859: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: GRAPHITE OVERALL, special_features: MATERIAL IS GRAFOIL OR EQUIVALENT, end_item_identification: 2600 SERIES RELIEF VALVE, TYPE NO. 26FD12-120/S4/SP, SERIAL A11/H, part_name_assigned_by_controlling_agency: GASKET,BELLOWS/DISK HOLDER.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-625-2702, 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
303407-859
NSN: 5330-01-625-2702
FSC: 5330 — Packing and Gasket Materials
CAGE: 72352 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA FARRIS ENGINEERING DIV CURTISS-WRIGHT VALVES DIVISION- FARRIS (USA)
SPECIFICATIONS
materialGRAPHITE OVERALL
special_featuresMATERIAL IS GRAFOIL OR EQUIVALENT
end_item_identification2600 SERIES RELIEF VALVE, TYPE NO. 26FD12-120/S4/SP, SERIAL A11/H
part_name_assigned_by_controlling_agencyGASKET,BELLOWS/DISK HOLDER
NSN5330-01-625-2702
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 303407-859 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: GRAPHITE OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATERIAL IS GRAFOIL OR EQUIVALENT
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET,BELLOWS/DISK HOLDER
END ITEM IDENTIFICATION2600 SERIES RELIEF VALVE, TYPE NO. 26FD12-120/S4/SP, SERIAL A11/H
MATERIALGRAPHITE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
30220ITEM16Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 303407-859?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 303407-859?
303407-859 is a GASKET.
What parts can replace 303407-859?
There is 1 known substitute for 303407-859: 30220ITEM16. Substitute compatibility should be verified for your specific system.
What is the NSN for 303407-859?
303407-859 is cataloged in the U.S. Government catalog under NSN 5330-01-625-2702. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 303407-859

✓ 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.