The Seal,plain Encased, cataloged under National Stock Number 5330-01-133-8646, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Gits Mfg Co Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5330-01-133-8646 |
| Primary Part Number | 10-156-13 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Gits Mfg Co Inc |
| Status | ACTIVE |
| Temp Rating | -28.9 CELSIUS AND 65.6 CELSIUS DEGC |
| Seal Width | 0.870 INCHES NOMINAL IN |
| Sealing Element Style | VERTICAL |
| Reference Data and Literature | MIL-S-21558 |
| Housing Bore Diameter | 2.627 INCHES MINIMUM AND 2.629 INCHES MAXIMUM IN |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 1.562 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING CASE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| Type/model Designation | MK29 MODEL 0 MISSILE LAUNCHING SYSTEM |
| 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 |
|---|---|
| 2891347-1 | Raytheon Company Dba Raytheon Co (USA) |
| 10-156-13 PRIMARY | Gits Mfg Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 2891347-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| 2891347-1 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 10-156-13 | 3/9 Design control — primary reference Apache Corp Gits Bros Mfg Co |
NSN 5330-01-133-8646 is a Seal,plain Encased, manufactured by Gits Mfg Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-133-8646 has 2 manufacturer part numbers on file: 2891347-1 (Raytheon Company Dba Raytheon Co), 10-156-13 (Gits Mfg Co Inc).
Key specifications for 10-156-13: Temp Rating: -28.9 CELSIUS AND 65.6 CELSIUS DEGC; Seal Width: 0.870 INCHES NOMINAL IN; Sealing Element Style: VERTICAL; Reference Data and Literature: MIL-S-21558. 10 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.