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N2305 — CYLINDER SLEEVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N2305: CYLINDER SLEEVE.

The CYLINDER SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, overall_length: 16.705 INCHES NOMINAL IN, special_features: MATERIAL DUCTILE IRON, ASTM A536 65-45-12; INTERNALLY HELICAL; PISTON SLEEVE, attachment_method: SLOT, rim_surface_width: 0.312 INCHES NOMINAL IN, peripheral_diameter: 3.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-066-1454, 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
N2305
NSN: 5330-00-066-1454
NIINs: 000661454, 014676785
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
overall_length16.705 INCHES NOMINAL IN
special_featuresMATERIAL DUCTILE IRON, ASTM A536 65-45-12; INTERNALLY HELICAL; PISTON SLEEVE
attachment_methodSLOT
rim_surface_width0.312 INCHES NOMINAL IN
peripheral_diameter3.688 INCHES NOMINAL IN
center_hole_diameter1.188 INCHES NOMINAL IN
cross-sectional_height0.812 INCHES NOMINAL IN
attachment_feature_width0.500 INCHES NOMINAL IN
attachment_feature_length0.750 INCHES NOMINAL IN
cross-sectional_thickness0.281 INCHES NOMINAL IN
attachment_feature_quantity2
NSN5330-00-066-1454
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N2305 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
•
ATTACHMENT FEATURE QUANTITY: 2
•
CROSS-SECTIONAL THICKNESS: 0.281 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.812 INCHES NOMINAL IN
•
ATTACHMENT FEATURE LENGTH: 0.750 INCHES NOMINAL IN
•
ATTACHMENT FEATURE WIDTH: 0.500 INCHES NOMINAL IN
•
RIM SURFACE WIDTH: 0.312 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLANGE
•
PERIPHERAL DIAMETER: 3.688 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
ATTACHMENT FEATURE QUANTITY2
CROSS-SECTIONAL THICKNESS0.281 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.812 INCHES NOMINAL IN
ATTACHMENT FEATURE LENGTH0.750 INCHES NOMINAL IN
ATTACHMENT FEATURE WIDTH0.500 INCHES NOMINAL IN
RIM SURFACE WIDTH0.312 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLANGE
PERIPHERAL DIAMETER3.688 INCHES NOMINAL IN
SPECIAL FEATURESSPLIT DESIGN CONSTRUCTION. W/COUNTERBORE ON FLANGED END 1.375 IN. DIA BY 0.562 IN. DEEP IN
CENTER HOLE DIAMETER1.188 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
79551-008Reference document
Same NSN cross-reference
Reference document — Secondary reference
2305Reference document
Same NSN cross-reference
Reference document — Secondary reference
379.135.018Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A5549PC47Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 N2305?
N2305 is a CYLINDER SLEEVE.
What parts can replace N2305?
There are 4 known substitutes for N2305: 79551-008, 2305, 379.135.018 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N2305?
N2305 is cataloged in the U.S. Government catalog under NSN 5330-00-066-1454. 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.