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Technical Data Sheet
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3-300-039 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3-300-039: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-213-5205, 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
3-300-039
NSN: 5330-01-213-5205
FSC: 5330 — Packing and Gasket Materials
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
Part Number3-300-039
NSN5330-01-213-5205
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-300-039 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 6
B109721Reference document
Same NSN cross-reference
Reference document — Secondary reference
12284416Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B-109830Reference document
Same NSN cross-reference
Reference document — Secondary reference
12286802Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
28-4404-201Reference document
Same NSN cross-reference
Reference document — Secondary reference
12284415Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3-300-039?
3-300-039 is a SEAL,PLAIN ENCASED.
What parts can replace 3-300-039?
There are 6 known substitutes for 3-300-039: B109721, 12284416, B-109830 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-300-039?
3-300-039 is cataloged in the U.S. Government catalog under NSN 5330-01-213-5205. This indicates validated use in U.S. government and defense supply chains.
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