PartsTable
Technical Data Sheet
Download PDF

031903X — GASKET AND PREFORMED PACKING SET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

031903X: GASKET AND PREFORMED PACKING SET.

GASKET AND PREFORMED PACKING SET. This part is cataloged in the U.S. Government catalog under NSN 5330-01-398-3724, 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
031903X
NSN: 5330-01-398-3724
FSC: 5330 — Packing and Gasket Materials
CAGE: 1HQE5 — ALTO PRODUCTS CORP. AL (USA)
SPECIFICATIONS
Part Number031903X
NSN5330-01-398-3724
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 031903X 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
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 4
24204441Reference document
Same NSN cross-reference
Reference document — Secondary reference
8689989Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330PL1944772Reference document
Same NSN cross-reference
Reference document — Informative reference only
5330PL1944780Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 031903X?
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 031903X?
031903X is a GASKET AND PREFORMED PACKING SET.
What parts can replace 031903X?
There are 4 known substitutes for 031903X: 24204441, 8689989, 5330PL1944772 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 031903X?
031903X is cataloged in the U.S. Government catalog under NSN 5330-01-398-3724. 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 — 031903X

✓ 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.