The Sponge, cataloged under National Stock Number 7920-01-497-2097, is classified within Federal Supply Class 7920 (Brooms, Brushes, Mops, and Sponges) of the Cleaning Equipment and Supplies group. The manufacturer of record is Kirkhill, Inc. Dba Kirkhill Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7920-01-497-2097 |
| Primary Part Number | HS4331-1-0900 |
| Item Name | Sponge |
| FSC / FSG | 7920 / 79 — Brooms, Brushes, Mops, and Sponges |
| Manufacturer | Kirkhill, Inc. Dba Kirkhill Inc |
| Status | ACTIVE |
| Supplementary Features | NHA 7-W10000000-1 |
| 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 |
|---|---|
| HS4331-1-0900 PRIMARY | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| HS4331-1-0900 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| HS4331-1-0900 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 7920-01-497-2097 is a Sponge, manufactured by Kirkhill, Inc. Dba Kirkhill Inc, classified under FSC 7920, Brooms, Brushes, Mops, and Sponges. Status: active.
NSN 7920-01-497-2097 has 2 manufacturer part numbers on file: HS4331-1-0900 (Kirkhill, Inc. Dba Kirkhill Inc), HS4331-1-0900 (The Boeing Company).
Key specifications for HS4331-1-0900: Supplementary Features: NHA 7-W10000000-1; Part Name Assigned by Controlling Agency: SPONGE, ROUND EXTRUS; End Item Identification: APACHE ATTACK HELICOPTER. 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.