The Gear,spur, cataloged under National Stock Number 3020-01-346-1858, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is R G Rollin Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-346-1858 |
| Primary Part Number | KR780700 PIECE 2 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | R G Rollin Co |
| Status | ACTIVE |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| KR2318-2A | R G Rollin Co (USA) |
| KR780700 PIECE 2 PRIMARY | R G Rollin Co (USA) |
| Reference | Meaning |
|---|---|
| KR780700 | D/9 Drawing number reference only R G Rollin Co |
NSN 3020-01-346-1858 is a Gear,spur, manufactured by R G Rollin Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-346-1858 has 2 manufacturer part numbers on file: KR2318-2A (R G Rollin Co), KR780700 PIECE 2 (R G Rollin Co).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-346-4005, 3040-01-346-4008. Verify interchangeability with system specifications before substitution.
Key specifications for KR780700 PIECE 2: End Item Identification: R.G. ROLLIN CO.MODEL KR2318 SLAVE OPERATOR; Material: COPPER ALLOY OVERALL. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.