The Packing,preformed, cataloged under National Stock Number 5330-00-421-4974, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-421-4974 |
| Primary Part Number | 746453-1 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Temp Rating | -85.0 FAHRENHEIT AND 600.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.250 INCHES NOMINAL IN |
| Hardness Rating | 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Material Document and Classification | S701,TY A FSCM 73030 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | CIRCULAR W/ APERTURE |
| Center Hole Diameter | 4.220 INCHES MINIMUM AND 4.280 INCHES MAXIMUM IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 746453-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 746453-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-421-4974 is a Packing,preformed, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-421-4974 has 1 manufacturer part number on file: 746453-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 746453-1: Temp Rating: -85.0 FAHRENHEIT AND 600.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.250 INCHES NOMINAL IN; Hardness Rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL; Material Document and Classification: S701,TY A FSCM 73030 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 7 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.