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ST-7N — PLUNGER,QUICK RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST-7N: PLUNGER,QUICK RELEASE.

The PLUNGER,QUICK RELEASE is a the manufacturer industrial component. Key specifications include shape: SQUARE, thread_length: 1.125 INCHES NOMINAL IN, overall_length: 1.313 INCHES NOMINAL IN, end_pressure_rating: 5.000 POUNDS NOMINAL LBS, nominal_thread_size: 0.375 INCHES IN, thread_quantity_per_inch: 16. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-232-8207, 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
ST-7N
NSN: 5340-01-232-8207
FSC: 5340 — Hardware, Commercial
CAGE: 01599 — REID SUPPLY COMPANY (USA)
SPECIFICATIONS
shapeSQUARE
thread_length1.125 INCHES NOMINAL IN
overall_length1.313 INCHES NOMINAL IN
end_pressure_rating5.000 POUNDS NOMINAL LBS
nominal_thread_size0.375 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5340-01-232-8207
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST-7N 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: 1.125 INCHES NOMINAL IN
•
SHAPE: SQUARE
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
THREAD QUANTITY PER INCH: 16
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
END PRESSURE RATING: 5.000 POUNDS NOMINAL LBS
TECHNICAL CHARACTERISTICS
THREAD LENGTH1.125 INCHES NOMINAL IN
SHAPESQUARE
OVERALL LENGTH1.313 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
END PRESSURE RATING5.000 POUNDS NOMINAL LBS
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 ST-7N?
ST-7N is a PLUNGER,QUICK RELEASE.
What is the NSN for ST-7N?
ST-7N is cataloged in the U.S. Government catalog under NSN 5340-01-232-8207. 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.