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PartsTable / COMPONENT / 491R120-1
491R120-1 ✓ 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 491R120-1 is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302, construction: ONE-PIECE, outside_diameter: 0.170 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN, aperture_diameter: 0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN, surface_treatment: PASSIVATE, material_document_and_classification: QQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-111-1515, 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
491R120-1
NSN: 5365-01-111-1515
FSC: 5365
CAGE: 98939 — AEROCONTROLEX GROUP, INC. DBA AERO FLUID PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 302
constructionONE-PIECE
outside_diameter0.170 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN
aperture_diameter0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
material_document_and_classificationQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE
NSN5365-01-111-1515
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 491R120-1 TITLE COMPONENT PN 491R120-1 MFR 491R120-1
KEY FEATURES
•
APERTURE DIAMETER: 0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
•
CONSTRUCTION: ONE-PIECE
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 0.170 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 302
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
CONSTRUCTIONONE-PIECE
SURFACE TREATMENTPASSIVATE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER0.170 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN
MATERIALSTEEL COMP 302
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
B10-3-30Interchangeable
interchangeable cross-reference
interchangeable
10-426Interchangeable
interchangeable cross-reference
interchangeable
131123-1Interchangeable
interchangeable cross-reference
interchangeable
10139288Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 491R120-1?
491R120-1 is a 491R120-1.
What parts can replace 491R120-1?
There are 4 known substitutes for 491R120-1: B10-3-30, 10-426, 131123-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 491R120-1?
491R120-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-111-1515. 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.
PartsTable Design LLC · partstable.com
Last verified: July 2026