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1679A11 — LOCK,TELEPHONE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1679A11: LOCK,TELEPHONE.

The LOCK,TELEPHONE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: ZINC DIE CAST,CHROME PLATE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-210-0937, 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
1679A11
NSN: 5340-01-210-0937
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
general_characteristics_item_descriptionZINC DIE CAST,CHROME PLATE
NSN5340-01-210-0937
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1679A11 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: ZINC DIE CAST,CHROME PLATE
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONZINC DIE CAST,CHROME PLATE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
589759Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1679A11?
1679A11 is a LOCK,TELEPHONE.
What parts can replace 1679A11?
There is 1 known substitute for 1679A11: 589759. Substitute compatibility should be verified for your specific system.
What is the NSN for 1679A11?
1679A11 is cataloged in the U.S. Government catalog under NSN 5340-01-210-0937. 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.