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3R281 — 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 POST,BINDING,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 10.000 INCHES NOMINAL IN, special_features: LOCKING PLIERS, style_designator: TWO STRAIGHT JAWS, wrenching_surface_size: 1.625 INCHES MAXIMUM SINGLE END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5120-01-400-0314, 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
3R281
NSN: 5120-01-400-0314
FSC: 5120
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length10.000 INCHES NOMINAL IN
special_featuresLOCKING PLIERS
style_designatorTWO STRAIGHT JAWS
wrenching_surface_size1.625 INCHES MAXIMUM SINGLE END IN
NSN5120-01-400-0314
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available POST,BINDING,ELECTRICAL TITLE COMPONENT PN 3R281 MFR POST,BINDING,ELECTRICA
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: TWO STRAIGHT JAWS
•
WRENCHING SURFACE SIZE: 1.625 INCHES MAXIMUM SINGLE END IN
TECHNICAL CHARACTERISTICS
OVERALL LENGTH10.000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORTWO STRAIGHT JAWS
SPECIAL FEATURESLOCKING PLIERS
WRENCHING SURFACE SIZE1.625 INCHES MAXIMUM SINGLE END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
DF31RCInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
06041-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
05592-0003InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
293RInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
X87601 ITEM 104-10InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
X87601InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3R281?
3R281 is a POST,BINDING,ELECTRICAL.
What parts can replace 3R281?
There are 8 known substitutes for 3R281: DF31RC, 06041-1, 05592-0003 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3R281?
3R281 is cataloged in the Federal Logistics Information System under NSN 5120-01-400-0314. 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: September 2026