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PartsTable / COMPONENT / 4R402
4R402 ✓ 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 FACE,HAMMER,INSERTED is a the manufacturer industrial component. Key specifications include diameter: 1.000 INCHES NOMINAL IN, material: PLASTIC, unit_type: SCREW-IN, striking_face_shape: FLAT, hardness_designation: HARD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-555-2074, 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
4R402
NSN: 5120-00-555-2074
FSC: 5120
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
diameter1.000 INCHES NOMINAL IN
materialPLASTIC
unit_typeSCREW-IN
striking_face_shapeFLAT
hardness_designationHARD
NSN5120-00-555-2074
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FACE,HAMMER,INSERTED TITLE COMPONENT PN 4R402 MFR FACE,HAMMER,INSERTED
KEY FEATURES
•
MATERIAL: PLASTIC
•
DIAMETER: 1.000 INCHES NOMINAL IN
•
HARDNESS DESIGNATION: HARD
•
UNIT TYPE: SCREW-IN
•
STRIKING FACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC
DIAMETER1.000 INCHES NOMINAL IN
HARDNESS DESIGNATIONHARD
UNIT TYPESCREW-IN
STRIKING FACE SHAPEFLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
CF6X20Interchangeable
interchangeable cross-reference
interchangeable
100027Interchangeable
interchangeable cross-reference
interchangeable
89-350Interchangeable
interchangeable cross-reference
interchangeable
A-A-50961Interchangeable
interchangeable cross-reference
interchangeable
OO-D-565 TY1 CLB STYL1Interchangeable
interchangeable cross-reference
interchangeable
2831164-11ITEM1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4R402?
4R402 is a FACE,HAMMER,INSERTED.
What parts can replace 4R402?
There are 22 known substitutes for 4R402: CF6X20, 100027, 89-350 and 19 more. Substitute compatibility should be verified for your specific system.
Is 4R402 still available?
4R402 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