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Technical Data Sheet
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B-42807 — B-42807

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B-42807: B-42807.

The B-42807 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-126-0705, 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
B-42807
NSN: 5330-01-126-0705
FSC: 5330 — Packing and Gasket Materials
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
Part NumberB-42807
NSN5330-01-126-0705
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B-42807 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 2
42807-AReference document
Same NSN cross-reference
Reference document — Secondary reference
C42864 PIECE 2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B-42807?
B-42807 is a B-42807.
What parts can replace B-42807?
There are 2 known substitutes for B-42807: 42807-A, C42864 PIECE 2. Substitute compatibility should be verified for your specific system.
What is the NSN for B-42807?
B-42807 is cataloged in the U.S. Government catalog under NSN 5330-01-126-0705. This indicates validated use in U.S. government and defense supply chains.
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