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Technical Data Sheet
PartsTable / COMPONENT / MIL-B-43021
MIL-B-43021 ✓ 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 BINDER,LOAD is a the manufacturer industrial component. Key specifications include lever: INCLUDED, lever_length: 8.875 INCHES MINIMUM AND 9.000 INCHES MAXIMUM IN, take-up_spring: NOT INCLUDED, chain_grab_hook: NOT INCLUDED, tightening_device: ECCENTRIC, safe_operating_load_rating: 10000.000 POUNDS NOMINAL LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3990-00-937-0272, 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
MIL-B-43021
NSN: 3990-00-937-0272
FSC: 3990
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
leverINCLUDED
lever_length8.875 INCHES MINIMUM AND 9.000 INCHES MAXIMUM IN
take-up_springNOT INCLUDED
chain_grab_hookNOT INCLUDED
tightening_deviceECCENTRIC
safe_operating_load_rating10000.000 POUNDS NOMINAL LBS
NSN3990-00-937-0272
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BINDER,LOAD TITLE COMPONENT PN MIL-B-43021 MFR BINDER,LOAD
KEY FEATURES
•
SAFE OPERATING LOAD RATING: 10000.000 POUNDS NOMINAL LBS
•
TAKE-UP SPRING: NOT INCLUDED
•
LEVER: INCLUDED
•
CHAIN GRAB HOOK: NOT INCLUDED
•
LEVER LENGTH: 8.875 INCHES MINIMUM AND 9.000 INCHES MAXIMUM IN
•
TIGHTENING DEVICE: ECCENTRIC
TECHNICAL CHARACTERISTICS (FLIS)
SAFE OPERATING LOAD RATING10000.000 POUNDS NOMINAL LBS
TAKE-UP SPRINGNOT INCLUDED
LEVERINCLUDED
CHAIN GRAB HOOKNOT INCLUDED
LEVER LENGTH8.875 INCHES MINIMUM AND 9.000 INCHES MAXIMUM IN
TIGHTENING DEVICEECCENTRIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
111901Interchangeable
interchangeable cross-reference
interchangeable
ANASM441Interchangeable
interchangeable cross-reference
interchangeable
4523Interchangeable
IBM 4523 8GB (2x 4GB) Memory Kit PC2-5300P
interchangeable
11190001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-43021?
MIL-B-43021 is a BINDER,LOAD.
What parts can replace MIL-B-43021?
There are 4 known substitutes for MIL-B-43021: 111901, ANASM441, 4523 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-B-43021?
MIL-B-43021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3990-00-937-0272. 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