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JCM-17679 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

JCM-17679: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: PLASTIC, POLYETHYLENE (PP), drive_type: SCREW SLOT, design_type: THREADED, thread_class: 2A A, features_provided: BEVELED SEAT, thread_size_and_series/type_designator: 1.250-8 UN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-342-3199, 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
JCM-17679
NSN: 5340-01-342-3199
FSC: 5340 — Hardware, Commercial
CAGE: 58905 — STRIKE WEAPONS AND UNMANNED AVIATION (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
drive_typeSCREW SLOT
design_typeTHREADED
thread_class2A A
features_providedBEVELED SEAT
thread_size_and_series/type_designator1.250-8 UN
NSN5340-01-342-3199
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: JCM-17679 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
•
DESIGN TYPE: THREADED
•
DRIVE TYPE: SCREW SLOT
•
FEATURES PROVIDED: BEVELED SEAT
•
THREAD CLASS: 2A A
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1.250-8 UN
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
DRIVE TYPESCREW SLOT
FEATURES PROVIDEDBEVELED SEAT
THREAD CLASS2A A
MATERIALPLASTIC, POLYETHYLENE (PP)
THREAD SIZE AND SERIES/TYPE DESIGNATOR1.250-8 UN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JCM-17679?
JCM-17679 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What is the NSN for JCM-17679?
JCM-17679 is cataloged in the U.S. Government catalog under NSN 5340-01-342-3199. 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.