The Gasket, cataloged under National Stock Number 5330-01-440-2356, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5330-01-440-2356 |
| Primary Part Number | 63526 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Spirax Sarco Inc Dba Spirax Sarco |
| Status | ACTIVE |
| Material | GRAPHITE 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 |
|---|---|
| D-63526 | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| 63526 PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| J-968-2IN-FTS PIECE 3 | Spirax Sarco Inc Dba Spirax Sarco (USA) |
NSN 5330-01-440-2356 is a Gasket, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-440-2356 has 3 manufacturer part numbers on file: D-63526 (Spirax Sarco Inc Dba Spirax Sarco), 63526 (Spirax Sarco Inc Dba Spirax Sarco), J-968-2IN-FTS PIECE 3 (Spirax Sarco Inc Dba Spirax Sarco).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-664-8407. Verify interchangeability with system specifications before substitution.
Key specifications for 63526: Material: GRAPHITE 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.