The Packing,preformed, cataloged under National Stock Number 5330-01-353-2071, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is DC Fabricators Inc. Government technical data includes 6 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-353-2071 |
| Primary Part Number | CW-556F |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | DC Fabricators Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.230 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 54.605 INCHES MINIMUM AND 54.645 INCHES MAXIMUM IN |
| Center Hole Diameter | 54.375 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE 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 |
|---|---|
| CW-556F PRIMARY | DC Fabricators Inc (USA) |
| CW-2300CW PIECE 628 | DC Fabricators Inc (USA) |
NSN 5330-01-353-2071 is a Packing,preformed, manufactured by DC Fabricators Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-353-2071 has 2 manufacturer part numbers on file: CW-556F (DC Fabricators Inc), CW-2300CW PIECE 628 (DC Fabricators Inc).
Key specifications for CW-556F: Cross-Sectional Height: 0.230 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 54.605 INCHES MINIMUM AND 54.645 INCHES MAXIMUM IN. 6 specifications are 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.