The Chalk,marking, cataloged under National Stock Number 7510-01-657-4396, is classified within Federal Supply Class 7510 (Office Supplies) of the Office Supplies and Devices group. The manufacturer of record is Keson Industries Inc. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7510-01-657-4396 |
| Primary Part Number | RCWBULK |
| Item Name | Chalk,marking |
| FSC / FSG | 7510 / 75 — Office Supplies |
| Manufacturer | Keson Industries Inc |
| Status | ACTIVE |
| Overall Diameter | 1.0 INCHES NOMINAL IN |
| Color | WHITE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 7510-01-657-4396 is a Chalk,marking, manufactured by Keson Industries Inc, classified under FSC 7510, Office Supplies. Status: active.
NSN 7510-01-657-4396 has 2 manufacturer part numbers on file: RCWBULK (Keson Industries Inc), 024186 (Keson Industries).
Key specifications for RCWBULK: Overall Diameter: 1.0 INCHES NOMINAL IN; Overall Length: 4.0 INCHES NOMINAL IN; Color: WHITE; Special Features: RAILROAD CHALK. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.