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A301687 — GASKET AND PREFORMED PACKING ASS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A301687: GASKET AND PREFORMED PACKING ASS.

GASKET AND PREFORMED PACKING ASS. Key specifications include component_quantity: 14. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-274-4700, 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
A301687
NSN: 5330-00-274-4700
FSC: 5330 — Packing and Gasket Materials
CAGE: 3X894 — CONTROL FLOW, INC. DBA CONTROL FLOW INC (USA)
SPECIFICATIONS
component_quantity14
NSN5330-00-274-4700
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A301687 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
KEY FEATURES
•
COMPONENT QUANTITY: 14
•
NONSUPPLY ITEMS AND QUANTITIES: 16603 E104821-12 GASKET 6,16603 E104821-24 GASKET 1,16603 E104821-113 O-RING 1,16603 E104821-114 0-RING 1,16603 E104945-2 GASKET 2,16603 E104945-24 O-RING 1,16603 E104929-25 0-RING 1,16603 E104929-154 O-RING 1
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY14
NONSUPPLY ITEMS AND QUANTITIES16603 E104821-12 GASKET 6,16603 E104821-24 GASKET 1,16603 E104821-113 O-RING 1,16603 E104821-114 0-RING 1,16603 E104945-2 GASKET 2,16603 E104945-24 O-RING 1,16603 E104929-25 0-RING 1,16603 E104929-154 O-RING 1
SUBSTITUTES & CROSS-REFERENCES 1
301687Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A301687?
A301687 is a GASKET AND PREFORMED PACKING ASS.
What parts can replace A301687?
There is 1 known substitute for A301687: 301687. Substitute compatibility should be verified for your specific system.
What is the NSN for A301687?
A301687 is cataloged in the U.S. Government catalog under NSN 5330-00-274-4700. 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.