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Technical Data Sheet
PartsTable / COMPONENT / 11662961
11662961 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PLUG,VENT is a the manufacturer industrial component. Key specifications include length: 1.140 INCHES NOMINAL IN, material: STEEL COMP 304, thread_class: 2A A, thread_length: 0.830 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN, inside_diameter: 0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN, vent_hole_shape: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-217-6397, 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
11662961
NSN: 5340-00-217-6397
FSC: 5340
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
length1.140 INCHES NOMINAL IN
materialSTEEL COMP 304
thread_class2A A
thread_length0.830 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
inside_diameter0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
vent_hole_shapeROUND
outside_diameter1.120 INCHES NOMINAL IN
vent_hole_diameter0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
vent_hole_quantity1
end_connection_typeTHREADED
unthreaded_end_length0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
refinement_device_typeFILTER DISK
NSN5340-00-217-6397
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11662961 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
•
INSIDE DIAMETER: 0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
•
END CONNECTION TYPE: THREADED
•
THREAD LENGTH: 0.830 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
•
UNTHREADED END LENGTH: 0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 1.120 INCHES NOMINAL IN
•
VENT HOLE QUANTITY: 1
•
UNTHREADED END DIAMETER: 1.120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
END CONNECTION TYPETHREADED
THREAD LENGTH0.830 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
UNTHREADED END LENGTH0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER1.120 INCHES NOMINAL IN
VENT HOLE QUANTITY1
UNTHREADED END DIAMETER1.120 INCHES NOMINAL IN
REFINEMENT MEDIUM TYPEFILTERING
MATERIALSTEEL COMP 304
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
1378Interchangeable
interchangeable cross-reference
interchangeable
R1378Interchangeable
interchangeable cross-reference
interchangeable
319344-3Interchangeable
interchangeable cross-reference
interchangeable
RW-15Interchangeable
interchangeable cross-reference
interchangeable
RW-200-125Interchangeable
interchangeable cross-reference
interchangeable
13413Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11662961?
11662961 is a PLUG,VENT.
What parts can replace 11662961?
There are 11 known substitutes for 11662961: 1378, R1378, 319344-3 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11662961?
11662961 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-217-6397. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026