PartsTable
Technical Data Sheet
Download PDF

6306B — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6306B: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-00-020-0203, 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
6306B
NSN: 5331-00-020-0203
NIINs: 000200203, 011939399
FSC: 5331 — O-ring
CAGE: 88663 — DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE (USA)
SPECIFICATIONS
Part Number6306B
NSN5331-00-020-0203
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6306B 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
SUBSTITUTES & CROSS-REFERENCES 10
5331PL2007478Reference document
Same NSN cross-reference
Reference document — Informative reference only
M83248-1-904Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
379643Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
992E545-10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8712 FIND 21Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
M93248/1-904Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
Ready to buy 6306B?
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 6306B?
6306B is a O-RING.
What parts can replace 6306B?
There are 10 known substitutes for 6306B: 5331PL2007478, M83248-1-904, 379643 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6306B?
6306B is cataloged in the U.S. Government catalog under NSN 5331-00-020-0203. 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 — 6306B

✓ 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.