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500956 — PISTON,TANK EJECTION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

500956: PISTON,TANK EJECTION.

The PISTON,TANK EJECTION is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 3020-00-108-1626, 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
500956
NSN: 3020-00-108-1626
NIINs: 001081626, 006205588, 017240381
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 12464 — MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS ELECTRONIC SYSTEMS CO (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL 8740 PER MIL-S-6049 CONDITION C-1,1.498 IN. MIN,1.499 IN. MAX DIA WIPING SURFACE,1.310 IN. DIA SHANK,8.000 LG STOCK DIM. IN
NSN3020-00-108-1626
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,TANK EJECTION TITLE COMPONENT PN 500956 MFR PISTON,TANK EJECTION
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.205 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.420 INCHES FIRST END IN
•
TEETH QUANTITY: 30
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE HUB
•
BODY STYLE: PLAIN, SOLID
•
COUNTERBORE NOMINAL DIAMETER: 0.375 INCHES FIRST END IN
•
FLANGE NOMINAL THICKNESS: 0.062 INCHES IN
•
FLANGE NOMINAL DIAMETER: 1.060 INCHES IN
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.205 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.420 INCHES FIRST END IN
TEETH QUANTITY30
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE HUB
BODY STYLEPLAIN, SOLID
COUNTERBORE NOMINAL DIAMETER0.375 INCHES FIRST END IN
FLANGE NOMINAL THICKNESS0.062 INCHES IN
FLANGE NOMINAL DIAMETER1.060 INCHES IN
BORE STYLEW/COUNTERBORE BOTH ENDS
MOUNTING HOLE TYPE AND QUANTITY3 COUNTERSUNK AXIALLY THROUGH FLANGE
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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 500956?
500956 is a PISTON,TANK EJECTION.
What is the NSN for 500956?
500956 is cataloged in the U.S. Government catalog under NSN 3020-00-108-1626. 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.