The Ring,wiper, cataloged under National Stock Number 5330-01-733-1846, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Parker Seal Group Alpha Seal and Packing Div. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-733-1846 |
| Primary Part Number | 4257 18702625 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Parker Seal Group Alpha Seal and Packing Div |
| Status | ACTIVE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Material Thickness | 0.206 INCHES NOMINAL IN |
| Inside Diameter | 2.625 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Storage Temp Range | -65.0 TO 300.0 FAHRENHEIT DEGF |
| Material | RUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL |
| 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 |
|---|---|
| 4257 18702625 | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 4257 18702625 PRIMARY | Parker Seal Group Alpha Seal and Packing Div (USA) |
| Reference | Meaning |
|---|---|
| 790903 | D/9 Drawing number reference only Pacific Consolidated Industries Llc |
NSN 5330-01-733-1846 is a Ring,wiper, manufactured by Parker Seal Group Alpha Seal and Packing Div, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-733-1846 has 2 manufacturer part numbers on file: 4257 18702625 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 4257 18702625 (Parker Seal Group Alpha Seal and Packing Div).
Key specifications for 4257 18702625: Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Material Thickness: 0.206 INCHES NOMINAL IN; Inside Diameter: 2.625 INCHES NOMINAL IN; Ring Style: CONCENTRIC. 6 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.