The Sorbent,oil, cataloged under National Stock Number 4235-01-398-2593, 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 Haztech Enviro-Systems. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4235-01-398-2593 |
| Primary Part Number | STS-AB46FS |
| Item Name | Sorbent,oil |
| FSC / FSG | 4235 / 42 — Hazardous Material Spill Containment and Clean-up Equipment and Material |
| Manufacturer | Haztech Enviro-Systems |
| Status | ACTIVE |
| Physical Form | BLANKET |
| 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 |
|---|---|
| STS-AB46FS PRIMARY | Haztech Enviro-Systems (USA) |
| Reference | Meaning |
|---|---|
| AUTO BLANKET | 5/9 Secondary reference Oil Scavenger Absorbent Inc |
| AB46 | 3/9 Design control — primary reference Oil Scavenger Absorbent Inc |
NSN 4235-01-398-2593 is a Sorbent,oil, manufactured by Haztech Enviro-Systems, classified under FSC 4235, Hazardous Material Spill Containment and Clean-up Equipment and Material. Status: active.
NSN 4235-01-398-2593 has 1 manufacturer part number on file: STS-AB46FS (Haztech Enviro-Systems).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-565-6665. Verify interchangeability with system specifications before substitution.
Key specifications for STS-AB46FS: Physical Form: BLANKET; Special Features: UNIVERSAL ABSORBENT BLANKET USED FOR CONTROLLING SPILLS IN AUTO BAY OR TARMAC APPLICATIONS;VIRGIN CELLULOSE FILLED WITH AN INDUSTRIAL DUST FREE CASING;BLANKET PREVENTS SPILLS FROM SPREADING WITH A POLY LINER UNDERNEATH;48 IN X 72 IN X 2 IN;ABSORBS 144 GALLONS PER CASE;CASE WEIGHT 63 POUNDS;PRODUCT IS SPECIALLY DESIGNED FOR CLOSED LOOP RECYCLING SYSTEM WITH PROPRIETARY ADDITIVES;ITEM IS 100 PERCENT NON-TOXIC LBS. 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.