The Packing Assembly, cataloged under National Stock Number 5330-01-416-8957, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Clayton Manufacturing Company. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-416-8957 |
| Primary Part Number | K1658 NON-ASBESTOS |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Clayton Manufacturing Company |
| Status | ACTIVE |
| Intermediate Ring Quantity | 2 |
| Outside Diameter | 1.049 INCHES MINIMUM AND 1.051 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | ANGLE BOTTOM RING |
| Inside Diameter | 0.624 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN |
| Height | 0.453 INCHES NOMINAL IN |
| Environmental Attribute Code | ASBESTOS ALTERNATIVE PRODUCTS |
| Material | GRAPHITE OVERALL |
| Material | GRAPHITE BOTTOM RING |
| Material | GRAPHITE INTERMEDIATE 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 |
|---|---|
| K1658 NON-ASBESTOS PRIMARY | Clayton Manufacturing Company (USA) |
NSN 5330-01-416-8957 is a Packing Assembly, manufactured by Clayton Manufacturing Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-416-8957 has 1 manufacturer part number on file: K1658 NON-ASBESTOS (Clayton Manufacturing Company).
Key specifications for K1658 NON-ASBESTOS: Intermediate Ring Quantity: 2; Outside Diameter: 1.049 INCHES MINIMUM AND 1.051 INCHES MAXIMUM IN; Cross-Sectional Shape Style: ANGLE BOTTOM RING; Inside Diameter: 0.624 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN. 9 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.