The Gland Seal Unit, cataloged under National Stock Number 5330-01-687-4643, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-687-4643 |
| Primary Part Number | NNS-062915-1-AY99 |
| Item Name | Gland Seal Unit |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| NNS-062915-1-AY99 | Naval Sea Systems Command (USA) |
| NNS-020116-1-ITEM-AY98 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 245-8627931-ITEM-AY99 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 5330-01-687-4643 is a Gland Seal Unit, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-687-4643 has 2 manufacturer part numbers on file: NNS-062915-1-AY99 (Naval Sea Systems Command), NNS-020116-1-ITEM-AY98 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for NNS-062915-1-AY99: Criticality Code Justification: AGAV; End Item Identification: GLAND SEAL ASSEMBLY. 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.