The Hardener,adhesive, cataloged under National Stock Number 8040-01-657-4683, is classified within Federal Supply Class 8040 (Adhesives) of the Brushes, Paints, Sealers, and Adhesives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 8040-01-657-4683 |
| Item Name | Hardener,adhesive |
| FSC / FSG | 8040 / 80 — Adhesives |
| Status | ACTIVE |
| Supplementary Features | 1OZ (29.5ML) TUBE OZ |
| Igniting Characteristic | FLAMMABLE |
| Quantity Within Each Unit Package | 1.0 OUNCES OZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 83316 | 3/2 Design control — primary reference U.S. Government activity |
NSN 8040-01-657-4683 is a Hardener,adhesive, classified under FSC 8040, Adhesives. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 8030-01-723-0598. Verify interchangeability with system specifications before substitution.
Key specifications for 8040-01-657-4683: Supplementary Features: 1OZ (29.5ML) TUBE OZ; Igniting Characteristic: FLAMMABLE; Quantity Within Each Unit Package: 1.0 OUNCES OZ; Special Features: RED; 105 DEG F FLASH POINT,SAFE ON MOST SURFACES,SURFACE TESTS SHOULD BE RUN TO DETERMINE COMPATIBILITY PRIOR TO USE;COMBUSTIBLE LIQUID AND VAPOR,ORDER:MILD;APPARENCE: 0PAQUE,HEAT RESISTNCE POINT:105 F DEGF. 3 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.