The Ring,wiper, cataloged under National Stock Number 5330-01-723-5200, 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 Div Defense. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-723-5200 |
| Primary Part Number | ST7M301-20 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Outer Edge Thickness | 0.094 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | OUTSIDE GROOVED, STRAIGHT FACE |
| Outside Diameter | 2.157 INCHES NOMINAL IN |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Inside Diameter | 1.875 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Material | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ST7M301-20 PRIMARY | The Boeing Company Div Defense (USA) |
| TF005-20 PRIMARY | Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA) |
| NR03157-20 PRIMARY | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions (USA) |
| Reference | Meaning |
|---|---|
| ST7M301 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 5330-01-723-5200 is a Ring,wiper, manufactured by The Boeing Company Div Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-723-5200 has 3 manufacturer part numbers on file: ST7M301-20 (The Boeing Company Div Defense), TF005-20 (Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo), NR03157-20 (Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions).
Key specifications for ST7M301-20: Outer Edge Thickness: 0.094 INCHES NOMINAL IN; Cross-Sectional Shape Style: OUTSIDE GROOVED, STRAIGHT FACE; Outside Diameter: 2.157 INCHES NOMINAL IN; Material Thickness: 0.125 INCHES NOMINAL IN. 7 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.
NSN 5330-01-723-5200 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.