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P49708-0158 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

P49708-0158: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-031-8243, 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
P49708-0158
NSN: 5331-01-031-8243
FSC: 5331 — O-ring
CAGE: 65035 — BOSCH REXROTH CORPORATION DIV BOSCH REXROTH (USA)
SPECIFICATIONS
Part NumberP49708-0158
NSN5331-01-031-8243
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P49708-0158 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 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 8
158-B46AReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
104X158AReference document
Same NSN cross-reference
Reference document — Secondary reference
2507294-55Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CM1-158-B46Reference document
Same NSN cross-reference
Reference document — Secondary reference
272.333 547Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CM1-158-B46AReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P49708-0158?
P49708-0158 is a O-RING.
What parts can replace P49708-0158?
There are 8 known substitutes for P49708-0158: 158-B46A, 104X158A, 2507294-55 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P49708-0158?
P49708-0158 is cataloged in the U.S. Government catalog under NSN 5331-01-031-8243. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.