The Seal,plain Encased, cataloged under National Stock Number 5330-01-239-5077, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Iwc Llc Dba Ideal Windlass Company. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-239-5077 |
| Primary Part Number | BCW20-61 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Iwc Llc Dba Ideal Windlass Company |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| 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 |
|---|---|
| BCW20-61 PRIMARY | Iwc Llc Dba Ideal Windlass Company (USA) |
| EL-297-6 PIECE 61 | Iwc Llc Dba Ideal Windlass Company (USA) |
| Reference | Meaning |
|---|---|
| S2601-3218048 PIECE 61 | 5/2 Secondary reference U.S. Government activity |
| 5907LPD | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-239-5077 is a Seal,plain Encased, manufactured by Iwc Llc Dba Ideal Windlass Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-239-5077 has 2 manufacturer part numbers on file: BCW20-61 (Iwc Llc Dba Ideal Windlass Company), EL-297-6 PIECE 61 (Iwc Llc Dba Ideal Windlass Company).
Key specifications for BCW20-61: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT. 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.