PartsTable
Technical Data Sheet
Download PDF

7188623 — PLUNGER,DETENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7188623: PLUNGER,DETENT.

The PLUNGER,DETENT is a the manufacturer industrial component. Key specifications include length: 0.484 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, diameter: 0.312 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, material: STEEL OVERALL, surface_treatment: PHOSPHATE MANGANESE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-718-8623, 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
7188623
NSN: 5340-00-718-8623
FSC: 5340 — Hardware, Commercial
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
length0.484 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
diameter0.312 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
materialSTEEL OVERALL
special_featuresBORE DIA. = 0.255 IN.; BORE LG. =0.379 IN.; SPHERICAL RADIUS = 0.090 IN ON CLOSED END; END ITEM IS MACHINE GUN,CAL. .30(M37),NSN 1005-00-856-7528 IN
surface_treatmentPHOSPHATE MANGANESE OVERALL
NSN5340-00-718-8623
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7188623 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
•
LENGTH: 0.484 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
DIAMETER: 0.312 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
SURFACE TREATMENT: PHOSPHATE MANGANESE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.484 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
DIAMETER0.312 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SPECIAL FEATURESBORE DIA. = 0.255 IN.; BORE LG. =0.379 IN.; SPHERICAL RADIUS = 0.090 IN ON CLOSED END; END ITEM IS MACHINE GUN,CAL. .30(M37),NSN 1005-00-856-7528 IN
SURFACE TREATMENTPHOSPHATE MANGANESE OVERALL
MATERIALSTEEL OVERALL
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
No demilitarization required
Ready to buy 7188623?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 7188623?
7188623 is a PLUNGER,DETENT.
What is the NSN for 7188623?
7188623 is cataloged in the U.S. Government catalog under NSN 5340-00-718-8623. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 7188623

✓ 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.