The Ring,wiper, cataloged under National Stock Number 5330-00-453-2945, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing Uk Limited. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-00-453-2945 |
| Primary Part Number | SP818-13 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Ontic Engineering & Manufacturing Uk Limited |
| Status | ACTIVE |
| Outer Edge Thickness | 0.110 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 1.490 INCHES NOMINAL IN |
| Material Thickness | 0.170 INCHES NOMINAL IN |
| Inside Diameter | 1.200 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 |
|---|---|
| SP818-13 | Ontic Engineering & Manufacturing Uk Limited (GBR) |
| SP818-13 | Transaero, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SP818-13 | 3/9 Design control — primary reference Ge Aviation Systems Llc Dba Ge Aviation |
| SP818-13 | 5/9 Secondary reference Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk |
| SP818-13 | 5/9 Secondary reference Triumph Aerospace Operations Uk, Ltd. Div Staverton Site |
NSN 5330-00-453-2945 is a Ring,wiper, manufactured by Ontic Engineering & Manufacturing Uk Limited, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-453-2945 has 2 manufacturer part numbers on file: SP818-13 (Ontic Engineering & Manufacturing Uk Limited), SP818-13 (Transaero, Inc.).
Key specifications for SP818-13: Outer Edge Thickness: 0.110 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Outside Diameter: 1.490 INCHES NOMINAL IN; Material Thickness: 0.170 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.
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.