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Technical Data Sheet
PartsTable / COMPONENT / 12273168-2
12273168-2 ✓ 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 PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: ROUND, material: STEEL COMP 303 OR STEEL COMP 303SE BODY, thread_class: 2A A, thread_length: 0.750 INCHES NOMINAL IN, overall_length: 0.901 INCHES NOMINAL IN, overall_diameter: 0.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-363-9129, 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
12273168-2
NSN: 5340-01-363-9129
FSC: 5340
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
shapeROUND
materialSTEEL COMP 303 OR STEEL COMP 303SE BODY
thread_class2A A
thread_length0.750 INCHES NOMINAL IN
overall_length0.901 INCHES NOMINAL IN
overall_diameter0.500 INCHES NOMINAL IN
special_featuresNYLON INSERT
thread_directionLEFT-HAND
surface_treatmentPASSIVATE BODY
width_across_flats0.500 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
thread_quantity_per_inch20
NSN5340-01-363-9129
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12273168-2 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
•
THREAD QUANTITY PER INCH: 20
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
THREAD CLASS: 2A A
•
MATERIAL: STEEL COMP 303 OR STEEL COMP 303SE BODY
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.901 INCHES NOMINAL IN
THREAD QUANTITY PER INCH20
OVERALL DIAMETER0.500 INCHES NOMINAL IN
SPECIAL FEATURESNYLON INSERT
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.500 INCHES IN
THREAD CLASS2A A
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE BODY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONLEFT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
1-958082-001Interchangeable
interchangeable cross-reference
interchangeable
8210-1135Interchangeable
interchangeable cross-reference
interchangeable
RELEASE5285Interchangeable
interchangeable cross-reference
interchangeable
PK524Interchangeable
interchangeable cross-reference
interchangeable
PK5230Interchangeable
interchangeable cross-reference
interchangeable
11119Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12273168-2?
12273168-2 is a PLUNGER,QUICK RELEASE.
What parts can replace 12273168-2?
There are 13 known substitutes for 12273168-2: 1-958082-001, 8210-1135, RELEASE5285 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12273168-2?
12273168-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-363-9129. 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.
PartsTable Design LLC · partstable.com
Last verified: July 2026