The Packing,preformed, cataloged under National Stock Number 5330-00-291-2372, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-291-2372 |
| Primary Part Number | SYMB0LDFB33A |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.250 INCHES NOMINAL IN |
| Hardness Rating | 40.0 SHORE DUROMETER A MINIMUM AND 50.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Cross-Sectional Shape Style | O-RING |
| Center Hole Diameter | 0.875 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC 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 |
|---|---|
| SYMB0LDFB33A PRIMARY | Fairbanks Morse, Llc (USA) |
| 33 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| SYMB0LDFB33A | 5/9 Secondary reference U.S. Government activity |
| 33 | 5/9 Secondary reference U.S. Government activity |
| 61633DFB33A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-291-2372 is a Packing,preformed, manufactured by Fairbanks Morse, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-291-2372 has 2 manufacturer part numbers on file: SYMB0LDFB33A (Fairbanks Morse, Llc), 33 (Fairbanks Morse, Llc).
Key specifications for SYMB0LDFB33A: Cross-Sectional Height: 0.250 INCHES NOMINAL IN; Hardness Rating: 40.0 SHORE DUROMETER A MINIMUM AND 50.0 SHORE DUROMETER A MAXIMUM OVERALL; Cross-Sectional Shape Style: O-RING; Center Hole Diameter: 0.875 INCHES NOMINAL 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.