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8437339 — PLUNGER,QUICK RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8437339: PLUNGER,QUICK RELEASE.

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: ROUND, thread_length: 0.344 INCHES NOMINAL IN, overall_length: 0.344 INCHES NOMINAL IN, nominal_thread_size: 0.164 INCHES IN, thread_quantity_per_inch: 36, thread_series_designator: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-822-6629, 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
8437339
NSN: 5340-00-822-6629
FSC: 5340 — Hardware, Commercial
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
shapeROUND
thread_length0.344 INCHES NOMINAL IN
overall_length0.344 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES IN
thread_quantity_per_inch36
thread_series_designatorUNF
NSN5340-00-822-6629
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8437339 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 LENGTH: 0.344 INCHES NOMINAL IN
•
SHAPE: ROUND
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
THREAD QUANTITY PER INCH: 36
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.344 INCHES NOMINAL IN
SHAPEROUND
OVERALL LENGTH0.344 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.164 INCHES IN
THREAD QUANTITY PER INCH36
THREAD SERIES DESIGNATORUNF
SUBSTITUTES & CROSS-REFERENCES 7
SSB50PNReference document
Same NSN cross-reference
Reference document — Secondary reference
SSB50PReference document
Same NSN cross-reference
Reference document — Secondary reference
A06120Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B50N038-06AReference document
Same NSN cross-reference
Reference document — Secondary reference
076-006356-004Reference document
Same NSN cross-reference
Reference document — Secondary reference
723897-103Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8437339?
8437339 is a PLUNGER,QUICK RELEASE.
What parts can replace 8437339?
There are 7 known substitutes for 8437339: SSB50PN, SSB50P, A06120 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8437339?
8437339 is cataloged in the U.S. Government catalog under NSN 5340-00-822-6629. 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.