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11577203 — PLUNGER,DETENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11577203: PLUNGER,DETENT.

The PLUNGER,DETENT is a the manufacturer industrial component. Key specifications include length: 2.840 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, diameter: 0.997 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, material: STEEL OVERALL, special_features: ENDITEM 2350-01-305-0028;M109A6. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-919-8408, 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
11577203
NSN: 5340-00-919-8408
FSC: 5340 — Hardware, Commercial
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
length2.840 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
diameter0.997 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
materialSTEEL OVERALL
special_featuresENDITEM 2350-01-305-0028;M109A6
NSN5340-00-919-8408
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11577203 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: 2.840 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
DIAMETER: 0.997 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
LENGTH2.840 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
DIAMETER0.997 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SPECIAL FEATURESENDITEM 2350-01-305-0028;M109A6
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 1
1025009198408Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 11577203?
11577203 is a PLUNGER,DETENT.
What parts can replace 11577203?
There is 1 known substitute for 11577203: 1025009198408. Substitute compatibility should be verified for your specific system.
What is the NSN for 11577203?
11577203 is cataloged in the U.S. Government catalog under NSN 5340-00-919-8408. 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.