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6659896 — PLUG,VENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6659896: PLUG,VENT.

The PLUG,VENT is a the manufacturer industrial component. Key specifications include length: 2.960 INCHES MINIMUM AND 2.964 INCHES MAXIMUM IN, material: ALUMINUM ALLOY 6061, inside_diameter: 2.312 INCHES NOMINAL IN, outside_diameter: 2.960 INCHES MINIMUM AND 2.964 INCHES MAXIMUM IN, surface_treatment: ANODIZE, end_connection_type: THREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-468-7134, 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
6659896
NSN: 5340-01-468-7134
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
length2.960 INCHES MINIMUM AND 2.964 INCHES MAXIMUM IN
materialALUMINUM ALLOY 6061
inside_diameter2.312 INCHES NOMINAL IN
outside_diameter2.960 INCHES MINIMUM AND 2.964 INCHES MAXIMUM IN
special_featuresMANUFACTURER'S NAME IS PLUG, AIRVENT; 3 ROUND HOLES 0.250 INCHES IN FROM CENTER IN A STRAIGHTLINE; 2 HOLES 0.312 INCHES IN DIAMETER LOCATED IN CENTER OF PLUG IN
surface_treatmentANODIZE
vent_hole_quantity3
end_connection_typeTHREADED
material_document_and_classificationQQ-A-250/11, T6 OR T651 FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-468-7134
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6659896 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
•
LENGTH: 2.960 INCHES MINIMUM AND 2.964 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
•
END CONNECTION TYPE: THREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11, T6 OR T651 FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 2.960 INCHES MINIMUM AND 2.964 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 2.312 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE
TECHNICAL CHARACTERISTICS
LENGTH2.960 INCHES MINIMUM AND 2.964 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
END CONNECTION TYPETHREADED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11, T6 OR T651 FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER2.960 INCHES MINIMUM AND 2.964 INCHES MAXIMUM IN
INSIDE DIAMETER2.312 INCHES NOMINAL IN
SPECIAL FEATURESMANUFACTURER'S NAME IS PLUG, AIRVENT; 3 ROUND HOLES 0.250 INCHES IN FROM CENTER IN A STRAIGHTLINE; 2 HOLES 0.312 INCHES IN DIAMETER LOCATED IN CENTER OF PLUG IN
SURFACE TREATMENTANODIZE
MATERIALALUMINUM ALLOY 6061
VENT HOLE QUANTITY3
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6659896?
6659896 is a PLUG,VENT.
What is the NSN for 6659896?
6659896 is cataloged in the U.S. Government catalog under NSN 5340-01-468-7134. 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.