FSC: 3030 — Belting, Drive Belts, Fan Belts, and Accessories
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Belt,flat, cataloged under National Stock Number 3030-00-139-3541, is classified within Federal Supply Class 3030 (Belting, Drive Belts, Fan Belts, and Accessories) of the Mechanical Power Transmission Equipment group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government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
3030-00-139-3541
Item Name
Belt,flat
FSC / FSG
3030 / 30 — Belting, Drive Belts, Fan Belts, and Accessories
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3030-00-139-3542POSSIBLE MATCH
BELT,FLAT
Possible match (shared part number)
3030-00-139-3543POSSIBLE MATCH
BELT,FLAT
Possible match (shared part number)
3030-00-147-6716POSSIBLE MATCH
BELT,FLAT
Possible match (shared part number)
3030-00-147-6718003843-133POSSIBLE MATCH
BELT,FLAT
Possible match (shared part number)Du Pont E I De Nemours and Co Inc Security Director/legal Dept
3030-00-188-8490003843-053POSSIBLE MATCH
BELT,FLAT
Possible match (shared part number)Du Pont E I De Nemours and Co Inc Security Director/legal Dept
3030-00-456-8753POSSIBLE MATCH
BELT,FLAT
Possible match (shared part number)
3030-00-456-8780POSSIBLE MATCH
BELT,FLAT
Possible match (shared part number)
3030-00-456-8811POSSIBLE MATCH
BELT,FLAT
Possible match (shared part number)
3030-00-456-8848POSSIBLE MATCH
BELT,FLAT
Possible match (shared part number)
3030-00-456-8902POSSIBLE MATCH
BELT,FLAT
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
003843
D/9Drawing number reference only
Lockheed Electronics Co Inc Information Engineering Div
003843-095
3/9Design control — primary reference
Lockheed Electronics Co Inc Information Engineering Div
Related Parts
3030-00-139-3542POSSIBLE MATCH
BELT,FLAT
3030-00-139-3543POSSIBLE MATCH
BELT,FLAT
3030-00-147-6716POSSIBLE MATCH
BELT,FLAT
3030-00-147-6718POSSIBLE MATCH
BELT,FLAT
003843-133
3030-00-188-8490POSSIBLE MATCH
BELT,FLAT
003843-053
3030-00-456-8753POSSIBLE MATCH
BELT,FLAT
3030-00-456-8780POSSIBLE MATCH
BELT,FLAT
3030-00-456-8811POSSIBLE MATCH
BELT,FLAT
3030-00-456-8848POSSIBLE MATCH
BELT,FLAT
3030-00-456-8902POSSIBLE MATCH
BELT,FLAT
3030-00-482-8281POSSIBLE MATCH
BELT,FLAT
3030-00-482-8283POSSIBLE MATCH
BELT,FLAT
Frequently Asked Questions
What is NSN 3030-00-139-3541?
NSN 3030-00-139-3541 is a Belt,flat, classified under FSC 3030, Belting, Drive Belts, Fan Belts, and Accessories. Status: active.
What NSN replaces 3030-00-139-3541?
12 possible matches (shared part number, not a government interchangeability claim): 3030-00-139-3542, 3030-00-139-3543, 3030-00-147-6716. Verify interchangeability with system specifications before substitution.
What are the specifications of 3030-00-139-3541?
Key specifications for 3030-00-139-3541: Nominal Inside Circumference: 8.326 INCHES IN; Usage Design: TRANSMITTING POWER; Style Designator: REGULAR FLAT TYPE; Nominal Width: 0.187 INCHES IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3030-00-139-3541 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.