The Retainer,packing, cataloged under National Stock Number 5330-01-397-2633, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Safran Electronics & Defense, Avionics Usa, Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Retainer,packing |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Safran Electronics & Defense, Avionics Usa, Llc (CAGE 879B2); Ultra Pcs Limited Div Ultra Electronics Precision Air and Land Systems (CAGE U6454) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-397-2633 |
| Primary Part Number | 581-902 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Safran Electronics & Defense, Avionics Usa, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 581-902 PRIMARY | Safran Electronics & Defense, Avionics Usa, Llc (USA) |
| 581-902 | Ultra Pcs Limited Div Ultra Electronics Precision Air and Land Systems (GBR) |
| Reference | Meaning |
|---|---|
| 581-902 | 3/9 Design control — primary reference U.S. Government activity |
| 581-902 | 5/9 Secondary reference Ultra Electronics Ltd (electronics Division) |
| 581-902 | 5/9 Secondary reference Ultra Electronics Precision Air & Land Systems |
NSN 5330-01-397-2633 is a Retainer,packing, manufactured by Safran Electronics & Defense, Avionics Usa, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-397-2633 has 2 manufacturer part numbers on file: 581-902 (Safran Electronics & Defense, Avionics Usa, Llc), 581-902 (Ultra Pcs Limited Div Ultra Electronics Precision Air and Land Systems).
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.