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MS48 ✓ 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 KEY,SOCKET HEAD SCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, style_designator: L-HANDLE, wrenching_surface_size: 0.454 INCHES NOMINAL BOTH ENDS IN, wrenching_surface_shape: SPLINE BOTH ENDS EXTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-288-9676, 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
MS48
NSN: 5120-00-288-9676
FSC: 5120
CAGE: 45225 — BOSCH AUTOMOTIVE SERVICE SOLUTIONS INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
style_designatorL-HANDLE
wrenching_surface_size0.454 INCHES NOMINAL BOTH ENDS IN
wrenching_surface_shapeSPLINE BOTH ENDS EXTERNAL
wrenching_surface_flute_quantity6
NSN5120-00-288-9676
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEY,SOCKET HEAD SCREW TITLE COMPONENT PN MS48 MFR KEY,SOCKET HEAD SCREW
KEY FEATURES
•
HEAD THICKNESS: 1.000 INCHES MAXIMUM IN
•
WRENCHING SURFACE SIZE: 1.500 INCHES NOMINAL SINGLE END IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: ENAMEL AND PHOSPHATE AND ZINC OVERALL
•
OUTSIDE DIAMETER: 2.312 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 18 TYPE AND 1 CLASS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: TT-E-489 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH11.062 INCHES MINIMUM IN
HEAD THICKNESS1.000 INCHES MAXIMUM IN
WRENCHING SURFACE SIZE1.500 INCHES NOMINAL SINGLE END IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTENAMEL AND PHOSPHATE AND ZINC OVERALL
OUTSIDE DIAMETER2.312 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA18 TYPE AND 1 CLASS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTT-E-489 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
SPECIAL MARKINGSWRENCH SIZE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
809AInterchangeable
interchangeable cross-reference
interchangeable
79RInterchangeable
interchangeable cross-reference
interchangeable
CD-M1Interchangeable
interchangeable cross-reference
interchangeable
MS48AInterchangeable
interchangeable cross-reference
interchangeable
MS48Interchangeable
interchangeable cross-reference
interchangeable
148Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS48?
MS48 is a KEY,SOCKET HEAD SCREW.
What parts can replace MS48?
There are 10 known substitutes for MS48: 809A, 79R, CD-M1 and 7 more. Substitute compatibility should be verified for your specific system.
Is MS48 still available?
MS48 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026