The Sleeve,seal,coupler, cataloged under National Stock Number 5330-01-632-8281, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Roxtec Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-632-8281 |
| Primary Part Number | RS 43 AISI 316 |
| Item Name | Sleeve,seal,coupler |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Roxtec Inc |
| Status | ACTIVE |
| Cross-Sectional Shape Style | SPHERICAL |
| Cross-Sectional Length | 85.0 MILLIMETERS NOMINAL MM |
| Cross Section Inside Diameter | 23.0 MILLIMETERS NOMINAL MM |
| Cross Section Outside Diameter | 43.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| RS 43 AISI 316 PRIMARY | Roxtec Inc (USA) |
| Reference | Meaning |
|---|---|
| RS43 | 3/9 Design control — primary reference Roxtec Inc |
NSN 5330-01-632-8281 is a Sleeve,seal,coupler, manufactured by Roxtec Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-632-8281 has 1 manufacturer part number on file: RS 43 AISI 316 (Roxtec Inc).
Key specifications for RS 43 AISI 316: Cross-Sectional Shape Style: SPHERICAL; Cross-Sectional Length: 85.0 MILLIMETERS NOMINAL MM; Cross Section Inside Diameter: 23.0 MILLIMETERS NOMINAL MM; Cross Section Outside Diameter: 43.0 MILLIMETERS NOMINAL MM. 4 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.