The Sponge, cataloged under National Stock Number 7920-00-633-9908, is classified within Federal Supply Class 7920 (Brooms, Brushes, Mops, and Sponges) of the Cleaning Equipment and Supplies group. The manufacturer of record is Detroit Sponge & Chamois Co Inc Div Detroit Sponge. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 7920-00-633-9908 |
| Primary Part Number | S-SO4 |
| Item Name | Sponge |
| FSC / FSG | 7920 / 79 — Brooms, Brushes, Mops, and Sponges |
| Manufacturer | Detroit Sponge & Chamois Co Inc Div Detroit Sponge |
| Status | ACTIVE |
| Overall Thickness | 1.125 INCHES NOMINAL IN |
| Shape | RECTANGULAR |
| 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 |
|---|---|
| S-SO4 PRIMARY | Detroit Sponge & Chamois Co Inc Div Detroit Sponge (USA) |
| Reference | Meaning |
|---|---|
| A-A-2073-1B1-NATURAL | 5/9 Secondary reference U.S. Government activity |
| L-S-626 | 5/9 Secondary reference U.S. Government activity |
| A-A-2073 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
NSN 7920-00-633-9908 is a Sponge, manufactured by Detroit Sponge & Chamois Co Inc Div Detroit Sponge, classified under FSC 7920, Brooms, Brushes, Mops, and Sponges. Status: active.
NSN 7920-00-633-9908 has 1 manufacturer part number on file: S-SO4 (Detroit Sponge & Chamois Co Inc Div Detroit Sponge).
6 possible matches (shared part number, not a government interchangeability claim): 7920-00-633-9915, 7920-00-633-9928, 7920-00-782-3778. Verify interchangeability with system specifications before substitution.
Key specifications for S-SO4: Overall Thickness: 1.125 INCHES NOMINAL IN; Shape: RECTANGULAR; Overall Length: 5.750 INCHES NOMINAL IN; Overall Width: 4.250 INCHES NOMINAL IN. 2 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.