The Seal Assembly, cataloged under National Stock Number 5330-01-048-3907, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. The record lists 3 manufacturer part numbers 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.
| Item Name | Seal Assembly |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Heil Trailer International Ltd (CAGE K3732); Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524); Axflow Ltd (CAGE U0501) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-048-3907 |
| Primary Part Number | 331880 |
| Item Name | Seal Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 14.10.1.004/14 | Heil Trailer International Ltd (GBR) |
| 331880 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| 331880 | Axflow Ltd (GBR) |
NSN 5330-01-048-3907 is a Seal Assembly, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-048-3907 has 3 manufacturer part numbers on file: 14.10.1.004/14 (Heil Trailer International Ltd), 331880 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 331880 (Axflow Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-448-1469. 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.