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PartsTable / COMPONENT / MS91531-1N1B
MS91531-1N1B ✓ 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 MS91531-1N1B is a the manufacturer industrial component. Key specifications include color: BLACK, shank_style: STRAIGHT, skirt_style: RING, shank_length: 0.250 INCHES NOMINAL IN, skirt_design: NONDETACHABLE, overall_depth: 0.375 INCHES NOMINAL 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 5355-00-900-8664, 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
MS91531-1N1B
NSN: 5355-00-900-8664
FSC: 5355
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
colorBLACK
shank_styleSTRAIGHT
skirt_styleRING
shank_length0.250 INCHES NOMINAL IN
skirt_designNONDETACHABLE
overall_depth0.375 INCHES NOMINAL IN
shank_diameter0.625 INCHES NOMINAL IN
inside_diameter0.127 INCHES NOMINAL IN
outside_diameter0.750 INCHES NOMINAL IN
screw_drive_typeSLOT
style_designatorROUND
attachment_methodSETSCREWS
NSN5355-00-900-8664
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MS91531-1N1B TITLE COMPONENT PN MS91531-1N1B MFR MS91531-1N1B
KEY FEATURES
•
SCREW DRIVE TYPE: SLOT
•
OVERALL THICKNESS: 0.500 INCHES NOMINAL IN
•
ATTACHMENT METHOD: SETSCREWS
•
SKIRT DESIGN: NONDETACHABLE
•
NOMINAL THREAD SIZE: 0.112 INCHES SCREW HOLE IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SCREW HOLE
•
THREAD QUANTITY PER INCH: 40 SCREW HOLE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DEPTH0.375 INCHES NOMINAL IN
SCREW DRIVE TYPESLOT
OVERALL THICKNESS0.500 INCHES NOMINAL IN
ATTACHMENT METHODSETSCREWS
SKIRT DESIGNNONDETACHABLE
NOMINAL THREAD SIZE0.112 INCHES SCREW HOLE IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
THREAD QUANTITY PER INCH40 SCREW HOLE
SKIRT OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
COLORBLACK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
MS91531-1F1BInterchangeable
interchangeable cross-reference
interchangeable
NASM91531Interchangeable
interchangeable cross-reference
interchangeable
S311-64BBLInterchangeable
interchangeable cross-reference
interchangeable
MS91531-3F2BInterchangeable
interchangeable cross-reference
interchangeable
511617Interchangeable
interchangeable cross-reference
interchangeable
30-0023Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS91531-1N1B?
MS91531-1N1B is a MS91531-1N1B.
What parts can replace MS91531-1N1B?
There are 20 known substitutes for MS91531-1N1B: MS91531-1F1B, NASM91531, S311-64BBL and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS91531-1N1B?
MS91531-1N1B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-900-8664. 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