The Packing,preformed, cataloged under National Stock Number 5330-01-246-6918, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-246-6918 |
| Primary Part Number | 58163-4 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 0.441 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.341 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN |
| Material | PLASTIC TETRAFLUOROETHYLENE OVERALL |
| 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 |
|---|---|
| 58163-4 | Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp (USA) |
| 58163-4 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 58163-4 | 5/9 Secondary reference Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo |
| 58163 | D/9 Drawing number reference only U.S. Government activity |
| 58163-4 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5330-01-246-6918 is a Packing,preformed, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-246-6918 has 2 manufacturer part numbers on file: 58163-4 (Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp), 58163-4 (Trelleborg Sealing Solutions Us, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-362-5166. Verify interchangeability with system specifications before substitution.
Key specifications for 58163-4: Cross-Sectional Height: 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 0.441 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN; Center Hole Diameter: 0.341 INCHES MINIMUM AND 0.343 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.