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Technical Data Sheet
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HR-4 ✓ 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 CLAMP,MACHINE,HOLD DOWN is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL; BLACK OXIDE FINISH; HEXAGON NUT; 3/8-16 IN. THREAD; OVERALL LENGTH 2.500 IN.

IN, part_name_assigned_by_controlling_agency: CLAMP,MACHINE STRAP. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3460-01-129-6403, 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
HR-4
NSN: 3460-01-129-6403
FSC: 3460
CAGE: 94882 — JERGENS INC DIV TOOLING COMPONENTS DIVISION (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL; BLACK OXIDE FINISH; HEXAGON NUT; 3/8-16 IN. THREAD; OVERALL LENGTH 2.500 IN. IN
part_name_assigned_by_controlling_agencyCLAMP,MACHINE STRAP
NSN3460-01-129-6403
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CLAMP,MACHINE,HOLD DOWN TITLE COMPONENT PN HR-4 MFR CLAMP,MACHINE,HOLD DOW
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL; BLACK OXIDE FINISH; HEXAGON NUT; 3/8-16 IN. THREAD; OVERALL LENGTH 2.500 IN. IN
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYCLAMP,MACHINE STRAP
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; BLACK OXIDE FINISH; HEXAGON NUT; 3/8-16 IN. THREAD; OVERALL LENGTH 2.500 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
21303Interchangeable
interchangeable cross-reference
interchangeable
900404-8Interchangeable
interchangeable cross-reference
interchangeable
632394-1Interchangeable
interchangeable cross-reference
interchangeable
DM-2244Interchangeable
interchangeable cross-reference
interchangeable
BP1393Interchangeable
interchangeable cross-reference
interchangeable
56582Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HR-4?
HR-4 is a CLAMP,MACHINE,HOLD DOWN.
What parts can replace HR-4?
There are 20 known substitutes for HR-4: 21303, 900404-8, 632394-1 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HR-4?
HR-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3460-01-129-6403. 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: July 2026