PartsTable
Technical Data Sheet
Download PDF

NS-045 VITON — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NS-045 VITON: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM, center_hole_diameter: 3.962 INCHES MINIMUM AND 4.016 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-976-5003, 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
NS-045 VITON
NSN: 5331-00-976-5003
FSC: 5331 — O-ring
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
center_hole_diameter3.962 INCHES MINIMUM AND 4.016 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-976-5003
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NS-045 VITON 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 HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.962 INCHES MINIMUM AND 4.016 INCHES MAXIMUM IN
•
MATERIAL: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.962 INCHES MINIMUM AND 4.016 INCHES MAXIMUM IN
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
6500010-045Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy NS-045 VITON?
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 NS-045 VITON?
NS-045 VITON is a O-RING.
What parts can replace NS-045 VITON?
There is 1 known substitute for NS-045 VITON: 6500010-045. Substitute compatibility should be verified for your specific system.
What is the NSN for NS-045 VITON?
NS-045 VITON is cataloged in the U.S. Government catalog under NSN 5331-00-976-5003. 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 — NS-045 VITON

✓ 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.