The Retainer,seal, cataloged under National Stock Number 5330-00-945-3937, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-00-945-3937 |
| Primary Part Number | 369A5121 |
| Item Name | Retainer,seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Flange Thickness | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Body Outside Diameter | 1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE RETAINER |
| Seal Seat Diameter | 1.475 INCHES MINIMUM AND 1.478 INCHES MAXIMUM IN |
| Aperture Diameter | 1.380 INCHES MINIMUM AND 1.382 INCHES MAXIMUM IN |
| Mounting Flange Diameter | 2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM IN |
| Material | STEEL COMP 440A RETAINER A |
| Seal Seat Depth | 0.137 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 369A5121 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 369A5121 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5330-00-945-3937 is a Retainer,seal, manufactured by The Boeing Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-945-3937 has 1 manufacturer part number on file: 369A5121 (The Boeing Company).
Key specifications for 369A5121: Overall Height: 0.396 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN; Flange Thickness: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Body Outside Diameter: 1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE RETAINER. 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.