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34085A43 — PLUNGER,QUICK RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

34085A43: PLUNGER,QUICK RELEASE.

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, special_features: INCH SERIES CLASS 2A THREADS;STAINLESS STEEL BODY WITH NYLON BALL A, thread_direction: RIGHT-HAND, end_item_identification: NSN: 6665-01-452-9644, part_name_assigned_by_controlling_agency: BALL-NOSE SPRING PLUNGER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-546-9753, 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
34085A43
NSN: 5340-01-546-9753
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL BODY
special_featuresINCH SERIES CLASS 2A THREADS;STAINLESS STEEL BODY WITH NYLON BALL A
thread_directionRIGHT-HAND
end_item_identificationNSN: 6665-01-452-9644
part_name_assigned_by_controlling_agencyBALL-NOSE SPRING PLUNGER
NSN5340-01-546-9753
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 34085A43 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 DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESINCH SERIES CLASS 2A THREADS;STAINLESS STEEL BODY WITH NYLON BALL A
PART NAME ASSIGNED BY CONTROLLING AGENCYBALL-NOSE SPRING PLUNGER
END ITEM IDENTIFICATIONNSN: 6665-01-452-9644
MATERIALSTEEL BODY
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 34085A43?
34085A43 is a PLUNGER,QUICK RELEASE.
What is the NSN for 34085A43?
34085A43 is cataloged in the U.S. Government catalog under NSN 5340-01-546-9753. 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.