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Technical Data Sheet
PartsTable / MRO / 21875-1
21875-1 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: CLINCH, seal_type: GASKET, head_style: FLAT CHAMFER, nut_height: 0.096 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN, body_height: 0.750 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 4520-00-127-8440, 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
MRO→ MRO_GENERAL→ 21875-1
NSN: 4520-00-127-8440
FSC: 4520
CAGE: 19880 — SP INDUSTRIES, INC. DBA HOTPACK DIV HULL DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleCLINCH
seal_typeGASKET
head_styleFLAT CHAMFER
nut_height0.096 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
body_height0.750 INCHES MAXIMUM IN
head_height0.152 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
nut_diameter0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
pilot_length0.049 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
thread_class2B
head_diameter0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
thread_length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
NSN4520-00-127-8440
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 21875-1 MFR CONNECTOR,RECEPTACLE,E
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
C22334Z17C3Interchangeable
interchangeable cross-reference
interchangeable
2209PC2Interchangeable
interchangeable cross-reference
interchangeable
218751Interchangeable
interchangeable cross-reference
interchangeable
10122031Interchangeable
interchangeable cross-reference
interchangeable
201481-11Interchangeable
interchangeable cross-reference
interchangeable
M45938/7-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21875-1?
21875-1 is a CONNECTOR,RECEPTACLE,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21875-1?
There are 8 known substitutes for 21875-1: C22334Z17C3, 2209PC2, 218751 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21875-1?
21875-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-00-127-8440. 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