The Packing Assembly, cataloged under National Stock Number 5330-01-525-0777, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5330-01-525-0777 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| FSC Application Data | 2 INCH CLASS 1500 WCB, FLG, SD-1000 DIAPHRAGM IN |
| Material | GRAPHITE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 368498 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-01-525-0777 is a Packing Assembly, classified under FSC 5330, Packing and Gasket Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5360-01-561-7975. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-525-0777: FSC Application Data: 2 INCH CLASS 1500 WCB, FLG, SD-1000 DIAPHRAGM IN; Part Name Assigned by Controlling Agency: PACKING .75 STM,50-1200,5R; End Item Identification: MAIN FEED PUMP RECIRCULATION VALVE SERIAL NUMBER: 0310-91562-1-1 THRU 1-6; Material: GRAPHITE OVERALL. 2 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.