The Bit,rock Drill, cataloged under National Stock Number 3820-00-641-7643, is classified within Federal Supply Class 3820 (Mining, Rock Drilling, Earth Boring, and Related Equipment) of the Construction, Mining, Excavating Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3820-00-641-7643
Item Name
Bit,rock Drill
FSC / FSG
3820 / 38 — Mining, Rock Drilling, Earth Boring, and Related Equipment
Status
ACTIVE
Drilled Hole Diameter
1.625 INCHES IN
Features Provided
TUNGSTEN CARBIDE INSERTS
Manufacturer Thread Design Designation
MIL STD 90496
Material
STEEL
Cleaning Hole Location and Quantity
1 CENTER AND 4 SIDE
Cutting End Type
CROSS
Attachment Method
THREADED BOTTOM DRIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
116236211
5/1Secondary reference
U.S. Government activity
116236211
5/9Secondary reference
Ingersoll Rand Co
MS39125-5
2/2Government specification standardization
U.S. Government activity
No interchangeability data on file.
Other items in FSC 3820 — Mining, Rock Drilling, Earth Boring, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3820-00-001-2056
3820-00-001-2056 · Item name not on file
3820-00-001-2057
MAST,WELL DRILLING
3820-00-003-5931
3820-00-003-5931 · Item name not on file
3820-00-003-5932
3820-00-003-5932 · Item name not on file
3820-00-003-9916
3820-00-003-9916 · Item name not on file
3820-00-005-2318
3820-00-005-2318 · Item name not on file
3820-00-005-8675
3820-00-005-8675 · Item name not on file
3820-00-007-9025
3820-00-007-9025 · Item name not on file
Frequently Asked Questions
What is NSN 3820-00-641-7643?
NSN 3820-00-641-7643 is a Bit,rock Drill, classified under FSC 3820, Mining, Rock Drilling, Earth Boring, and Related Equipment. Status: active.
What are the specifications of 3820-00-641-7643?
Key specifications for 3820-00-641-7643: Drilled Hole Diameter: 1.625 INCHES IN; Features Provided: TUNGSTEN CARBIDE INSERTS; Manufacturer Thread Design Designation: MIL STD 90496; Material: STEEL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3820-00-641-7643 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.