PartsTable
Technical Data Sheet
Download PDF

5X448 — PACKING SPRING SEAT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5X448: PACKING SPRING SEAT.

The PACKING SPRING SEAT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-00-737-3037, 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
5X448
NSN: 5330-00-737-3037
FSC: 5330 — Packing and Gasket Materials
CAGE: 76040 — MACK TRUCKS INC PARTS OPN (USA)
SPECIFICATIONS
Part Number5X448
NSN5330-00-737-3037
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5X448 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 5
395534Reference document
Same NSN cross-reference
Reference document — Secondary reference
243693Reference document
Same NSN cross-reference
Reference document — Secondary reference
BB26007Reference document
Same NSN cross-reference
Reference document — Secondary reference
2156114Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
7373037Same 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 5X448?
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 5X448?
5X448 is a PACKING SPRING SEAT.
What parts can replace 5X448?
There are 5 known substitutes for 5X448: 395534, 243693, BB26007 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5X448?
5X448 is cataloged in the U.S. Government catalog under NSN 5330-00-737-3037. 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 — 5X448