The Sorbent,oil, cataloged under National Stock Number 4235-01-528-0409, is classified within Federal Supply Class 4235 (Hazardous Material Spill Containment and Clean-up Equipment and Material) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Spilltech Environmental Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4235-01-528-0409 |
| Primary Part Number | WSO430 |
| Item Name | Sorbent,oil |
| FSC / FSG | 4235 / 42 — Hazardous Material Spill Containment and Clean-up Equipment and Material |
| Manufacturer | Spilltech Environmental Inc |
| Status | ACTIVE |
| Nondefinitive Spec/std Data | IV TYPE |
| Physical Form | SOCK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| WSO430 | Spilltech Environmental Inc (USA) |
| Reference | Meaning |
|---|---|
| SK34RW-40 | 5/9 Secondary reference Mfg Reps, L.l.c. |
| SK34RW-40 | 5/9 Secondary reference Desert Shield International Inc. |
| M-34 | 5/1 Secondary reference Fytertech International Corporation |
| A-A-59758 TYPE IV | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
NSN 4235-01-528-0409 is a Sorbent,oil, manufactured by Spilltech Environmental Inc, classified under FSC 4235, Hazardous Material Spill Containment and Clean-up Equipment and Material. Status: active.
NSN 4235-01-528-0409 has 1 manufacturer part number on file: WSO430 (Spilltech Environmental Inc).
1 possible match (shared part number, not a government interchangeability claim): 4235-01-528-0415. Verify interchangeability with system specifications before substitution.
Key specifications for WSO430: Nondefinitive Spec/std Data: IV TYPE; Physical Form: SOCK; Special Features: BOX OF 40 SORBENT MATERIAL SOCKS 3 INCHES X 48 INCHES IN; Part Name Assigned by Controlling Agency: SOCK SORBENT, OIL. 2 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.