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2056771 — GUIDE,PLUNGER,SOLENOID

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2056771: GUIDE,PLUNGER,SOLENOID.

The GUIDE,PLUNGER,SOLENOID is a the manufacturer industrial component. Key specifications include fsc_application_data: SERVOCYLINDER,HYDRAULIC,AIRCRAFT, end_item_identification: AIRCRAFT MODEL S-3A A, general_characteristics_item_description: CRES,AMS 5647,COMP 304L AND CRES,ASTM-A-269,COMP 316L,PASSIVATED,MIL-S-5002,4.275 IN. LG O/A IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-004-1083, 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
2056771
NSN: 5340-00-004-1083
NIINs: 000041083, 003646023
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
fsc_application_dataSERVOCYLINDER,HYDRAULIC,AIRCRAFT
end_item_identificationAIRCRAFT MODEL S-3A A
general_characteristics_item_descriptionCRES,AMS 5647,COMP 304L AND CRES,ASTM-A-269,COMP 316L,PASSIVATED,MIL-S-5002,4.275 IN. LG O/A IN
NSN5340-00-004-1083
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2056771 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
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DESIGN TYPE: FRICTION
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OVERALL DIAMETER: 0.750 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.545 INCHES NOMINAL IN
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/5, ALLOY 2017, T4 FED SPEC SINGLE MATERIAL RESPONSE
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SURFACE TREATMENT: ANODIZE
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MATERIAL: ALUMINUM ALLOY
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INSIDE DIAMETER LENGTH: 0.310 INCHES NOMINAL IN
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ROUND CAP OUTSIDE SURFACE CONDITION: KNURLED
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER0.750 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.545 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/5, ALLOY 2017, T4 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTANODIZE
MATERIALALUMINUM ALLOY
INSIDE DIAMETER LENGTH0.310 INCHES NOMINAL IN
ROUND CAP OUTSIDE SURFACE CONDITIONKNURLED
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2056771?
2056771 is a GUIDE,PLUNGER,SOLENOID.
What is the NSN for 2056771?
2056771 is cataloged in the U.S. Government catalog under NSN 5340-00-004-1083. 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.