The Packing,preformed, cataloged under National Stock Number 5330-01-592-3821, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Lynn Electronics Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-592-3821 |
| Primary Part Number | 21F-CB3-SC-PACKING 3.0IN |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Lynn Electronics Llc |
| 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 |
|---|---|
| 21F-CB3-SC-PACKING 3.0IN | Newmans Inc New Jersey Div (USA) |
| 21F-CB3-SC-PACKING 3.0IN PRIMARY | Lynn Electronics Llc (USA) |
| Reference | Meaning |
|---|---|
| N2750001 ITEM 11 | D/9 Drawing number reference only Newmans Inc New Jersey Div |
NSN 5330-01-592-3821 is a Packing,preformed, manufactured by Lynn Electronics Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-592-3821 has 2 manufacturer part numbers on file: 21F-CB3-SC-PACKING 3.0IN (Newmans Inc New Jersey Div), 21F-CB3-SC-PACKING 3.0IN (Lynn Electronics Llc).
Key specifications for 21F-CB3-SC-PACKING 3.0IN: Special Features: MATERIAL IN PACKING INCLUDES DEFORMED GRAPHITE WITH BRAIDED GRAPHITE AND RINGS; End Item Identification: VALVE, GLOBE STOP CHECK, AND VALVE, GLOBE, STOP CHECK 3.0IN CL150 CRBN STL FL IN; 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.