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PartsTable / COMPONENT / 4M281-2
4M281-2 ✓ Verified by PartsTable
— · 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 4M281-2 is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302, construction: ONE-PIECE, outside_diameter: 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN, overall_thickness: 0.003 INCHES MINIMUM AND 0.005 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-179-5996, 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
4M281-2
NSN: 5365-01-179-5996
FSC: 5365
CAGE: 10630 — ANILLO INDUSTRIES LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 302
constructionONE-PIECE
outside_diameter0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
overall_thickness0.003 INCHES MINIMUM AND 0.005 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
material_document_and_classificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NSN5365-01-179-5996
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 4M281-2 TITLE COMPONENT PN 4M281-2 MFR 4M281-2
KEY FEATURES
•
OVERALL THICKNESS: 0.003 INCHES MINIMUM AND 0.005 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 302
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE
•
STYLE DESIGNATOR: CIRCULAR
•
CONSTRUCTION: ONE-PIECE
•
APERTURE DIAMETER: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
OUTSIDE DIAMETER: 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL THICKNESS0.003 INCHES MINIMUM AND 0.005 INCHES MAXIMUM IN
MATERIALSTEEL COMP 302
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATORCIRCULAR
CONSTRUCTIONONE-PIECE
APERTURE DIAMETER0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
OUTSIDE DIAMETER0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
J513Interchangeable
interchangeable cross-reference
interchangeable
8-8-8 010401BInterchangeable
interchangeable cross-reference
interchangeable
T281-2Interchangeable
Same NIIN cross-reference
interchangeable
5168MAInterchangeable
Same NIIN cross-reference
interchangeable
AS31484-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4M281-2?
4M281-2 is a 4M281-2.
What parts can replace 4M281-2?
There are 5 known substitutes for 4M281-2: J513, 8-8-8 010401B, T281-2 and 2 more. Substitute compatibility should be verified for your specific system.
Is 4M281-2 still available?
4M281-2 is currently cancelled.
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Last verified: July 2026