The Packing,preformed, cataloged under National Stock Number 5330-00-171-3100, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-171-3100 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Height | 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Peripheral Diameter | 0.476 INCHES MINIMUM AND 0.482 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.250 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY PAC MATL AND FEAT IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| 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 |
|---|---|
| 2620-906PC48SPCLN | 5/1 Secondary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| 341-6CSPCLN | 3/1 Design control — primary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| 2620-906PC48SPCLN | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-171-3100 is a Packing,preformed, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-171-3100: Cross-Sectional Height: 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Peripheral Diameter: 0.476 INCHES MINIMUM AND 0.482 INCHES MAXIMUM IN; Special Features: ENDS CHAMFERRED 25 TO 35 DEG ANGLE; Center Hole Diameter: 0.250 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN. 5 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.