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NAS43DD4-255N — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SPACER,SLEEVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 3.9793 INCHES MINIMUM AND 3.9893 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, surface_treatment: ANODIZE OVERALL, body_inside_diameter: 0.2560 INCHES MINIMUM AND 0.2970 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-397-5151, 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
NAS43DD4-255N
NSN: 5365-01-397-5151
FSC: 5365
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length3.9793 INCHES MINIMUM AND 3.9893 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
surface_treatmentANODIZE OVERALL
body_inside_diameter0.2560 INCHES MINIMUM AND 0.2970 INCHES MAXIMUM IN
body_outside_diameter0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN
specification/standard_data80205-NAS43 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classificationWW-T-700/3, TY 1, FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625, TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5365-01-397-5151
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,SLEEVE TITLE COMPONENT PN NAS43DD4-255N MFR SPACER,SLEEVE
KEY FEATURES
•
BODY INSIDE DIAMETER: 0.2560 INCHES MINIMUM AND 0.2970 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
SPECIFICATION/STANDARD DATA: 80205-NAS43 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625, TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: ANODIZE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.2560 INCHES MINIMUM AND 0.2970 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
SPECIFICATION/STANDARD DATA80205-NAS43 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIALALUMINUM ALLOY 2024 OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONWW-T-700/3, TY 1, FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH3.9793 INCHES MINIMUM AND 3.9893 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
NAS43Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS43DD4-255N?
NAS43DD4-255N is a SPACER,SLEEVE.
What parts can replace NAS43DD4-255N?
There is 1 known substitute for NAS43DD4-255N: NAS43. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS43DD4-255N?
NAS43DD4-255N is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-397-5151. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: August 2026