The Packing,preformed, cataloged under National Stock Number 5330-00-494-2764, 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 3 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-494-2764 |
| Primary Part Number | 456-5581 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Cross-Sectional Height | 4.4 MILLIMETERS NOMINAL MM |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL OVERALL |
| Material | RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM 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 |
|---|---|
| 456-5581 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 5S6670-00 | 5/9 Secondary reference Mil-Tech Mfg Inc |
| 3CA234 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5S6678 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5S6670 | 3/9 Design control — primary reference Caterpillar Inc Div Caterpillar Defense |
| IPD5S6670 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
| 602413E81 | 5/9 Secondary reference Hutchinson Seal Corporation |
NSN 5330-00-494-2764 is a Packing,preformed, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-494-2764 has 1 manufacturer part number on file: 456-5581 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 456-5581: Cross-Sectional Height: 4.4 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; Material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM OVERALL. 3 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.