The Marker,tube Type, cataloged under National Stock Number 7520-01-339-7432, is classified within Federal Supply Class 7520 (Office Devices and Accessories) of the Office Supplies and Devices group. The manufacturer of record is Koh-I-Noor Rapidograph Inc. Government technical data includes 3 specifications, 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 | 7520-01-339-7432 |
| Primary Part Number | 6401-01 |
| Item Name | Marker,tube Type |
| FSC / FSG | 7520 / 75 — Office Devices and Accessories |
| Manufacturer | Koh-I-Noor Rapidograph Inc |
| Status | ACTIVE |
| Refillable Feature | NOT INCLUDED |
| Tip Type | FELT ROUND |
| Tip Replaceability | NONREPLACEABLE |
| 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 |
|---|---|
| 6401-01 PRIMARY | Koh-I-Noor Rapidograph Inc (USA) |
NSN 7520-01-339-7432 is a Marker,tube Type, manufactured by Koh-I-Noor Rapidograph Inc, classified under FSC 7520, Office Devices and Accessories. Status: active.
NSN 7520-01-339-7432 has 1 manufacturer part number on file: 6401-01 (Koh-I-Noor Rapidograph Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-396-7805, 5985-01-528-9371. Verify interchangeability with system specifications before substitution.
Key specifications for 6401-01: Refillable Feature: NOT INCLUDED; Tip Type: FELT ROUND; Tip Replaceability: NONREPLACEABLE. 3 specifications are 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.