The Packing Assembly, cataloged under National Stock Number 5330-00-376-7717, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-376-7717 |
| Primary Part Number | 3538F37 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa |
| Status | ACTIVE |
| Intermediate Ring Quantity | 3 |
| Outside Diameter | 1.625 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | D AND SPECIAL INTERMEDIATE RING |
| Inside Diameter | 1.125 INCHES NOMINAL IN |
| Height | 1.375 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE BOTTOM RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE INTERMEDIATE RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE 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 |
| Part Number | Manufacturer |
|---|---|
| 3538F37 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| Reference | Meaning |
|---|---|
| 3836FPC36 | 5/9 Secondary reference Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa |
| 3430FPC37 | 5/9 Secondary reference Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa |
| 3991FPC36 | 5/9 Secondary reference Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa |
| 3539FPC37 | 5/9 Secondary reference Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa |
| 3436FPC37 | 5/9 Secondary reference Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa |
NSN 5330-00-376-7717 is a Packing Assembly, manufactured by Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-376-7717 has 1 manufacturer part number on file: 3538F37 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa).
Key specifications for 3538F37: Intermediate Ring Quantity: 3; Outside Diameter: 1.625 INCHES NOMINAL IN; Cross-Sectional Shape Style: D AND SPECIAL INTERMEDIATE RING; Inside Diameter: 1.125 INCHES NOMINAL IN. 8 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.