The Sleeve,truing, cataloged under National Stock Number 3460-00-474-8678, is classified within Federal Supply Class 3460 (Machine Tool Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Sunnen Products Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 3460-00-474-8678 |
| Primary Part Number | ST-840 |
| Item Name | Sleeve,truing |
| FSC / FSG | 3460 / 34 — Machine Tool Accessories |
| Manufacturer | Sunnen Products Co |
| Status | ACTIVE |
| General Characteristics Item Description | MANDREL SIZE RANGE 0.840 TO 0.900 IN. IN |
| 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 |
|---|---|
| ST-840 PRIMARY | Sunnen Products Co (USA) |
NSN 3460-00-474-8678 is a Sleeve,truing, manufactured by Sunnen Products Co, classified under FSC 3460, Machine Tool Accessories. Status: active.
NSN 3460-00-474-8678 has 1 manufacturer part number on file: ST-840 (Sunnen Products Co).
2 possible matches (shared part number, not a government interchangeability claim): 4910-00-999-1269, 5120-01-461-4059. Verify interchangeability with system specifications before substitution.
Key specifications for ST-840: General Characteristics Item Description: MANDREL SIZE RANGE 0.840 TO 0.900 IN. IN. 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.