The Packing,preformed, cataloged under National Stock Number 5330-00-983-5989, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-983-5989 |
| Primary Part Number | 3S1427 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Cross-Sectional Height | 3.5 MILLIMETERS NOMINAL MM |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL OVERALL |
| Center Hole Diameter | 88.5 MILLIMETERS NOMINAL MM |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-00-983-5989 is a Packing,preformed, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-983-5989 has 2 manufacturer part numbers on file: 3S1427 (Compagnia Generale Trattori -S.p.a. Abbreviata C.g.t.-S.p.a.), 3S1427 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-301-9117. Verify interchangeability with system specifications before substitution.
Key specifications for 3S1427: Cross-Sectional Height: 3.5 MILLIMETERS NOMINAL MM; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL OVERALL; Special Features: CROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200; Center Hole Diameter: 88.5 MILLIMETERS NOMINAL MM. 4 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.