FSC: 6675 — Drafting, Surveying, and Mapping Instruments
FSG: 66 — Instruments and Laboratory Equipment
General Description
The Theodolite,surveying, cataloged under National Stock Number 6675-00-139-3791, is classified within Federal Supply Class 6675 (Drafting, Surveying, and Mapping Instruments) of the Instruments and Laboratory Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6675-00-139-3791
Item Name
Theodolite,surveying
FSC / FSG
6675 / 66 — Drafting, Surveying, and Mapping Instruments
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5985-00-912-4039POSSIBLE MATCH
ATTENUATOR,VARIABLE
Possible match (shared part number)
4910-01-318-8379POSSIBLE MATCH
LIFT,MOTOR VEHICLE
Possible match (shared part number)
6635-01-411-8867CMSS600POSSIBLE MATCH
DETECTOR,METAL FLAW,ELECTRONIC
Possible match (shared part number)Skf Condition Monitoring Inc
5998-01-570-185414711-1POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)U S Dept of Transportation Federal Aviation Administration
6605-01-694-3187M600POSSIBLE MATCH
GLOBAL POSITIONING SYSTEM-INERTI
Possible match (shared part number)Digital Force Technologies, Llc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
M600
3/9Design control — primary reference
U S Optics Corp
Related Parts
5985-00-912-4039POSSIBLE MATCH
ATTENUATOR,VARIABLE
4910-01-318-8379POSSIBLE MATCH
LIFT,MOTOR VEHICLE
6635-01-411-8867POSSIBLE MATCH
DETECTOR,METAL FLAW,ELECTRONIC
CMSS600
5998-01-570-1854POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
14711-1
6605-01-694-3187POSSIBLE MATCH
GLOBAL POSITIONING SYSTEM-INERTI
M600
Frequently Asked Questions
What is NSN 6675-00-139-3791?
NSN 6675-00-139-3791 is a Theodolite,surveying, classified under FSC 6675, Drafting, Surveying, and Mapping Instruments. Status: active.
What NSN replaces 6675-00-139-3791?
5 possible matches (shared part number, not a government interchangeability claim): 5985-00-912-4039, 4910-01-318-8379, 6635-01-411-8867. Verify interchangeability with system specifications before substitution.
What are the specifications of 6675-00-139-3791?
Key specifications for 6675-00-139-3791: End Item Identification: ESA/OBS. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6675-00-139-3791 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.