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3158806 — PLUG,VENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3158806: PLUG,VENT.

The PLUG,VENT is a the manufacturer industrial component. Key specifications include length: 2.265 INCHES NOMINAL IN, material: STEEL, thread_class: 3A A, thread_length: 0.375 INCHES NOMINAL IN, outside_diameter: 0.500 INCHES NOMINAL IN, surface_treatment: PHOSPHATE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-320-7332, 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
3158806
NSN: 5340-01-320-7332
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
length2.265 INCHES NOMINAL IN
materialSTEEL
thread_class3A A
thread_length0.375 INCHES NOMINAL IN
outside_diameter0.500 INCHES NOMINAL IN
surface_treatmentPHOSPHATE
end_connection_typeTHREADED
unthreaded_end_diameter0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
material_document_and_classificationCAGE 10001, COMP 4140, OD 8853, TYPE D, GRADE I, CLASS C MIL SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator1/2-20 UNF
NSN5340-01-320-7332
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3158806 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: 2.265 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES NOMINAL IN
•
END CONNECTION TYPE: THREADED
•
UNTHREADED END DIAMETER: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: CAGE 10001, COMP 4140, OD 8853, TYPE D, GRADE I, CLASS C MIL SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS
LENGTH2.265 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES NOMINAL IN
END CONNECTION TYPETHREADED
UNTHREADED END DIAMETER0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONCAGE 10001, COMP 4140, OD 8853, TYPE D, GRADE I, CLASS C MIL SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE
THREAD CLASS3A A
MATERIALSTEEL
THREAD SIZE AND SERIES/TYPE DESIGNATOR1/2-20 UNF
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 3158806?
3158806 is a PLUG,VENT.
What is the NSN for 3158806?
3158806 is cataloged in the U.S. Government catalog under NSN 5340-01-320-7332. This indicates validated use in U.S. government and defense supply chains.
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