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Technical Data Sheet
HS4881-1 ✓ 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 PIN-RIVET is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PUSH ON, grip_length: 0.688 INCHES NOMINAL IN, head_height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, nut_diameter: 0.513 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN, shank_diameter: 0.250 INCHES NOMINAL 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 5320-00-391-7768, 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
HS4881-1
NSN: 5320-00-391-7768
FSC: 5320
CAGE: 73197 — HI-SHEAR CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePUSH ON
grip_length0.688 INCHES NOMINAL IN
head_height0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
nut_diameter0.513 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN
shank_diameter0.250 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
material_thickness0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
head_major_diameter0.387 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN
mating_member_diameter_accommodated0.312 INCHES NOMINAL IN
material_document_and_classificationMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5320-00-391-7768
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PIN-RIVET TITLE COMPONENT PN HS4881-1 MFR PIN-RIVET
KEY FEATURES
MATERIAL: STEEL COMP 4140 OR STEEL COMP 4130 OVERALL
HEAD MAJOR DIAMETER: 0.387 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN
GRIP LENGTH: 0.688 INCHES NOMINAL IN
HEAD HEIGHT: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
SHANK DIAMETER: 0.250 INCHES NOMINAL IN
SURFACE TREATMENT: CADMIUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 4140 OR STEEL COMP 4130 OVERALL
HEAD MAJOR DIAMETER0.387 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN
GRIP LENGTH0.688 INCHES NOMINAL IN
HEAD HEIGHT0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
SHANK DIAMETER0.250 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
BACR12AB2AInterchangeable
interchangeable cross-reference
interchangeable
HS4881-1Interchangeable
interchangeable cross-reference
interchangeable
4S9-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HS4881-1?
HS4881-1 is a PIN-RIVET.
What parts can replace HS4881-1?
There are 3 known substitutes for HS4881-1: BACR12AB2A, HS4881-1, 4S9-2. Substitute compatibility should be verified for your specific system.
What is the NSN for HS4881-1?
HS4881-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5320-00-391-7768. This indicates validated use in U.S. government and defense supply chains.
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