The Packing with Retainer, cataloged under National Stock Number 5330-01-177-4927, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-177-4927 |
| Primary Part Number | SB8406-104 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Packing Inside Diameter | 4.6845 INCHES NOMINAL IN |
| Outside Diameter | 5.492 INCHES NOMINAL IN |
| Retainer Thickness | 0.425 INCHES NOMINAL IN |
| Material | STEEL COMP 302 RETAINER |
| Material | RUBBER EPICHLOROHYDRIN-ETHYLENE OXIDE CLASS ECO PACKING |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| SB8406-104 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| B40-876921 | 5/9 Secondary reference Cr Industries Chicago Rawhide Mfg Co |
| B40-876921 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-177-4927 is a Packing with Retainer, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-177-4927 has 1 manufacturer part number on file: SB8406-104 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for SB8406-104: Packing Inside Diameter: 4.6845 INCHES NOMINAL IN; Outside Diameter: 5.492 INCHES NOMINAL IN; Retainer Thickness: 0.425 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: TYPE DF STATIC SEAL ASSEMBLY. 6 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.