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RBJ012 — PLUNGER,QUICK RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RBJ012: PLUNGER,QUICK RELEASE.

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: HEXAGON, material: STEEL CORROSION RESISTING SPRING, thread_class: 2A A, overall_length: 0.8970 INCHES MINIMUM AND 0.9080 INCHES MAXIMUM IN, overall_diameter: 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-400-3266, 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
RBJ012
NSN: 5340-01-400-3266
FSC: 5340 — Hardware, Commercial
CAGE: 6X365 — LAUREL TECHNOLOGIES PARTNERSHIP DIV DRS LAUREL TECHNOLOGIES (USA)
SPECIFICATIONS
shapeHEXAGON
materialSTEEL CORROSION RESISTING SPRING
thread_class2A A
overall_length0.8970 INCHES MINIMUM AND 0.9080 INCHES MAXIMUM IN
overall_diameter0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_across_flats0.5000 INCHES NOMINAL IN
end_pressure_rating1.0000 POUNDS NOMINAL LBS
nominal_thread_size0.5000 INCHES IN
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5340-01-400-3266
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RBJ012 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
•
WIDTH ACROSS FLATS: 0.5000 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
•
SHAPE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.5000 INCHES IN
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 13
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.5000 INCHES NOMINAL IN
OVERALL DIAMETER0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
SHAPEHEXAGON
OVERALL LENGTH0.8970 INCHES MINIMUM AND 0.9080 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.5000 INCHES IN
THREAD CLASS2A A
THREAD QUANTITY PER INCH13
MATERIALSTEEL COMP 303 PIN
MATERIALSTEEL CORROSION RESISTING SPRING
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 RBJ012?
RBJ012 is a PLUNGER,QUICK RELEASE.
What is the NSN for RBJ012?
RBJ012 is cataloged in the U.S. Government catalog under NSN 5340-01-400-3266. 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.