The Seal,plain, cataloged under National Stock Number 5330-01-178-7422, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Link-Belt Cranes, L.p., Lllp. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Seal,plain |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Siemens Energy, Inc. (CAGE 16712); Johns Manville Intl (CAGE 75165); Link-Belt Cranes, L.p., Lllp (CAGE 2Y614) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-178-7422 |
| Primary Part Number | 18C39 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Link-Belt Cranes, L.p., Lllp |
| 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 |
|---|---|
| DGR4350B PART 153 | Siemens Energy, Inc. (USA) |
| 10175RUP | Johns Manville Intl (USA) |
| 18C39 PRIMARY | Link-Belt Cranes, L.p., Lllp (USA) |
| Reference | Meaning |
|---|---|
| 18C39-A | 5/9 Secondary reference Link-Belt Cranes, L.p., Lllp |
| 90X400 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-178-7422 is a Seal,plain, manufactured by Link-Belt Cranes, L.p., Lllp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-178-7422 has 3 manufacturer part numbers on file: DGR4350B PART 153 (Siemens Energy, Inc.), 10175RUP (Johns Manville Intl), 18C39 (Link-Belt Cranes, L.p., Lllp).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-272-8335. Verify interchangeability with system specifications before substitution.
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.