The Seal,plain Encased, cataloged under National Stock Number 5330-00-285-5870, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-285-5870 |
| Primary Part Number | 21086-3228 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF |
| Seal Width | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| Sealing Element Style | ANGULAR |
| Maximum Pressure Rating | 7.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL OVERALL |
| Housing Bore Diameter | 6.624 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Color | BLACK |
| Accommodated Shaft Diameter | 5.625 INCHES NOMINAL IN |
| Material | LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT |
| 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 |
|---|---|
| 21086-3228 PRIMARY | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA) |
| 103939 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| 47752 PRIMARY | Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA) |
| 9103939 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 55487 | 5/9 Secondary reference Federal-Mogul Corp Chassis Products Div |
| 43-1670 | 3/9 Design control — primary reference U.S. Government activity |
| 43-1670 | 5/9 Secondary reference Federal-Mogul Corp Chassis Products Div |
| 103939 | 5/9 Secondary reference General Motors Corp |
| 103939 | 5/9 Secondary reference U.S. Government activity |
| 103939 | 5/9 Secondary reference Ap Hydraulics Ltd |
| 9103939 | 5/9 Secondary reference Ap Hydraulics Ltd |
| 9103939 | 5/9 Secondary reference Euclid Inc |
NSN 5330-00-285-5870 is a Seal,plain Encased, manufactured by Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-285-5870 has 4 manufacturer part numbers on file: 21086-3228 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 103939 (General Motors Llc Dba General Motors Llc), 47752 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 9103939 (General Motors Corp).
5 possible matches (shared part number, not a government interchangeability claim): 5840-00-313-7260, 5905-00-677-8337, 5995-01-424-8003. Verify interchangeability with system specifications before substitution.
Key specifications for 21086-3228: Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF; Seal Width: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR; Maximum Pressure Rating: 7.0 POUNDS PER SQUARE INCH (PSI) LBS. 11 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.