The Gasket, cataloged under National Stock Number 5330-01-089-2578, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Mercer Rubber Company Dba Mercer Gasket & Shim Div Mercer Rubber Co., Inc. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-089-2578 |
| Primary Part Number | A650-43 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Mercer Rubber Company Dba Mercer Gasket & Shim Div Mercer Rubber Co., Inc |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A650-43 | Mercer Rubber Company Dba Mercer Gasket & Shim Div Mercer Rubber Co., Inc (USA) |
| Reference | Meaning |
|---|---|
| A650-43 | 3/2 Design control — primary reference U.S. Government activity |
| A650-43 | 5/9 Secondary reference Emerson Electric Co Alco Controls Div |
| 043257 | 5/9 Secondary reference Emerson Electric Co Alco Controls Div |
| 043257 | 5/9 Secondary reference A. D. Michel Co., Inc. |
| F23009 PIECE 4 | 5/9 Secondary reference Emerson Electric Co Alco Controls Div |
NSN 5330-01-089-2578 is a Gasket, manufactured by Mercer Rubber Company Dba Mercer Gasket & Shim Div Mercer Rubber Co., Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-089-2578 has 1 manufacturer part number on file: A650-43 (Mercer Rubber Company Dba Mercer Gasket & Shim Div Mercer Rubber Co., Inc).
Key specifications for A650-43: Material: RUBBER SYNTHETIC OVERALL. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.