The Packing,preformed, cataloged under National Stock Number 5330-01-503-4448, 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. 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 | 5330-01-503-4448 |
| Primary Part Number | 167-2312 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Cross-Sectional Height | 0.300 INCHES NOMINAL IN |
| Peripheral Diameter | 3.083 INCHES NOMINAL IN |
| Center Hole Diameter | 2.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| 167-2312 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5330-01-503-4448 is a Packing,preformed, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-503-4448 has 1 manufacturer part number on file: 167-2312 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 6520-01-722-0499. Verify interchangeability with system specifications before substitution.
Key specifications for 167-2312: Cross-Sectional Height: 0.300 INCHES NOMINAL IN; Peripheral Diameter: 3.083 INCHES NOMINAL IN; Center Hole Diameter: 2.500 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: SEAL-U-CUP. 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.