The Packing,preformed, cataloged under National Stock Number 5330-01-155-2583, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-155-2583 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.062 INCHES NOMINAL IN |
| Hardness Rating | 65.0 SHORE DUROMETER A MINIMUM OVERALL |
| Material Document and Classification | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 2.770 INCHES NOMINAL IN |
| Center Hole Diameter | 2.390 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 48560MRB | 3/9 Design control — primary reference Hunt Valve Company Inc Dba Union Flonetics |
| A48560MZZ | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
| 48560MRB | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
| D49271 ITEM 8 | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
| D49271 ITEM 8 | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
NSN 5330-01-155-2583 is a Packing,preformed, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-155-2583: Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.062 INCHES NOMINAL IN; Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM OVERALL; Material Document and Classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.