The Ring,wiper, cataloged under National Stock Number 5330-00-550-6802, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hoosier Industrial Supply, Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-00-550-6802 |
| Primary Part Number | MS28776R2-29 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hoosier Industrial Supply, Inc |
| Status | ACTIVE |
| Outer Edge Thickness | 0.109 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | OUTSIDE GROOVED, STRAIGHT FACE |
| Outside Diameter | 3.344 INCHES NOMINAL IN |
| Joint Style | DIAGONAL JOINT |
| Material Thickness | 0.140 INCHES NOMINAL IN |
| Departure From Cited Document | FREE OF MERCURY CONTAMINATION NUCLEAR PROPULSION |
| Inside Diameter | 3.169 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Material | UNABLE TO DECODE |
| 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 |
|---|---|
| MS28776R2-29 PRIMARY | Hoosier Industrial Supply, Inc (USA) |
| Reference | Meaning |
|---|---|
| MS28776R2-29 | 4/1 Identification reference U.S. Government activity |
NSN 5330-00-550-6802 is a Ring,wiper, manufactured by Hoosier Industrial Supply, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-550-6802 has 1 manufacturer part number on file: MS28776R2-29 (Hoosier Industrial Supply, Inc).
Key specifications for MS28776R2-29: Outer Edge Thickness: 0.109 INCHES NOMINAL IN; Cross-Sectional Shape Style: OUTSIDE GROOVED, STRAIGHT FACE; Outside Diameter: 3.344 INCHES NOMINAL IN; Joint Style: DIAGONAL JOINT. 9 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.