The Retainer,packing, cataloged under National Stock Number 5330-00-155-4996, 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8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-155-4996 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.500 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.781 INCHES NOMINAL IN |
| Material Document and Classification | STM A7 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Rim Surface Width | 0.500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | FLANGE |
| Peripheral Diameter | 5.156 INCHES NOMINAL IN |
| Center Hole Diameter | 2.504 INCHES MINIMUM AND 2.505 INCHES MAXIMUM IN |
| Material | STEEL UNS K02600 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 |
|---|---|
| 157581F34 | 3/2 Design control — primary reference U.S. Government activity |
| 157749-F PIECE 34 | 5/2 Secondary reference U.S. Government activity |
| 157581-34 | 5/2 Secondary reference U.S. Government activity |
| 157581F34 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-155-4996 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-155-4996: Cross-Sectional Thickness: 0.500 INCHES NOMINAL IN; Cross-Sectional Height: 0.781 INCHES NOMINAL IN; Material Document and Classification: STM A7 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Rim Surface Width: 0.500 INCHES NOMINAL IN. 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.