The Packing Assembly, cataloged under National Stock Number 5330-01-138-6358, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-138-6358 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Material Document and Classification | 522 FSCM 81977 MFR REF SINGLE MATERIAL RESPONSE BOTTOM RING |
| Material Document and Classification | 522 FSCM 81977 MFR REF SINGLE MATERIAL RESPONSE INTERMEDIATE RING |
| Material Document and Classification | 522 FSCM 81977 MFR REF SINGLE MATERIAL RESPONSE TOP RING |
| Material | FLAX BOTTOM RING |
| Material | FLAX INTERMEDIATE RING |
| Material | FLAX TOP RING |
| 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 |
|---|---|
| NB-25025L-6-18 | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
| NB-25025L-HH-325 ITEM 18 6IN | 5/9 Secondary reference Pima Valve, Llc |
| NB-25025L-6-18 | 3/9 Design control — primary reference Pima Valve, Llc |
| NB-25025L-HH-325 ITEM 18 6IN | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
NSN 5330-01-138-6358 is a Packing Assembly, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-138-6358: Material Document and Classification: 522 FSCM 81977 MFR REF SINGLE MATERIAL RESPONSE BOTTOM RING; Material Document and Classification: 522 FSCM 81977 MFR REF SINGLE MATERIAL RESPONSE INTERMEDIATE RING; Material Document and Classification: 522 FSCM 81977 MFR REF SINGLE MATERIAL RESPONSE TOP RING; Material: FLAX BOTTOM RING. 6 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.