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OB34 MX429 5657B — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

OB34 MX429 5657B: GASKET.

The GASKET is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-175-7363, 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
OB34 MX429 5657B
NSN: 5330-01-175-7363
FSC: 5330 — Packing and Gasket Materials
CAGE: 61178 — TUTHILL CORPORATION DBA TUTHILL PUMP GROUP (USA)
SPECIFICATIONS
Part NumberOB34 MX429 5657B
NSN5330-01-175-7363
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: OB34 MX429 5657B 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 2
0B34 MX429 5657 BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
N-1029-D ITEM 44Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is OB34 MX429 5657B?
OB34 MX429 5657B is a GASKET.
What parts can replace OB34 MX429 5657B?
There are 2 known substitutes for OB34 MX429 5657B: 0B34 MX429 5657 B, N-1029-D ITEM 44. Substitute compatibility should be verified for your specific system.
What is the NSN for OB34 MX429 5657B?
OB34 MX429 5657B is cataloged in the U.S. Government catalog under NSN 5330-01-175-7363. This indicates validated use in U.S. government and defense supply chains.
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