The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-651-5544, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (CAGE 77969); Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites (CAGE 60980) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-651-5544 |
| Primary Part Number | JSFM41-1A250 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| JSFM41-1A250 PRIMARY | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| JSFM41-1A250 PRIMARY | Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites (USA) |
| Reference | Meaning |
|---|---|
| JSFM41-1A250 | 3/2 Design control — primary reference U.S. Government activity |
| JSFM41-1A250 | 1/2 Source control — Government-approved source U.S. Government activity |
| JSFM41 | D/9 Drawing number reference only U.S. Government activity |
NSN 5330-01-651-5544 is a Seal,nonmetallic Special Shaped, manufactured by Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-651-5544 has 2 manufacturer part numbers on file: JSFM41-1A250 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), JSFM41-1A250 (Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites).
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.