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4R426 — Technical Data Sheet

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— · 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: 2.500 INCHES NOMINAL IN, material: PLASTIC, unit_type: SCREW-IN, striking_face_shape: FLAT, hardness_designation: SOFT. This part is cataloged in the Federal Logistics Information System under NSN 5120-00-293-3006, 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
4R426
NSN: 5120-00-293-3006
FSC: 5120
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
diameter2.500 INCHES NOMINAL IN
materialPLASTIC
unit_typeSCREW-IN
striking_face_shapeFLAT
hardness_designationSOFT
NSN5120-00-293-3006
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FACE,HAMMER,INSERTED TITLE COMPONENT PN 4R426 MFR FACE,HAMMER,INSERTED
KEY FEATURES
•
UNIT TYPE: SCREW-IN
•
HARDNESS DESIGNATION: SOFT
•
STRIKING FACE SHAPE: FLAT
•
DIAMETER: 2.500 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
UNIT TYPESCREW-IN
HARDNESS DESIGNATIONSOFT
STRIKING FACE SHAPEFLAT
DIAMETER2.500 INCHES NOMINAL IN
MATERIALPLASTIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
25SInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
25-SC-12VInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
85217InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
51171R1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
69172InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
UU-P-221InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4R426?
4R426 is a FACE,HAMMER,INSERTED.
What parts can replace 4R426?
There are 20 known substitutes for 4R426: 25S, 25-SC-12V, 85217 and 17 more. Substitute compatibility should be verified for your specific system.
Is 4R426 still available?
4R426 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: September 2026