The Packing Material, cataloged under National Stock Number 5330-00-291-9712, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Johns Manville Intl. Government technical data includes 5 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. 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 | 5330-00-291-9712 |
| Primary Part Number | 121-2-1-8 |
| Item Name | Packing Material |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Johns Manville Intl |
| Status | ACTIVE |
| Cross-Sectional Height | 2.000 INCHES NOMINAL IN |
| Cross-Sectional Width | 0.125 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Material | ASBESTOS AND COPPER ALLOY |
| Fabrication Method | WOVEN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 121-2-1-8 PRIMARY | Johns Manville Intl (USA) |
NSN 5330-00-291-9712 is a Packing Material, manufactured by Johns Manville Intl, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-291-9712 has 1 manufacturer part number on file: 121-2-1-8 (Johns Manville Intl).
1 possible match (shared part number, not a government interchangeability claim): 3020-00-471-4010. Verify interchangeability with system specifications before substitution.
Key specifications for 121-2-1-8: Cross-Sectional Height: 2.000 INCHES NOMINAL IN; Cross-Sectional Width: 0.125 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Material: ASBESTOS AND COPPER ALLOY. 5 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.