The Ring,wiper, cataloged under National Stock Number 5330-01-453-2255, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-453-2255 |
| Primary Part Number | 12456 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 12456 PRIMARY | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 12456 | 3/9 Design control — primary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| 12456 | 5/9 Secondary reference Howden Fluid Systems |
| 10116981 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5330-01-453-2255 is a Ring,wiper, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-453-2255 has 1 manufacturer part number on file: 12456 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 2510-01-506-8825. Verify interchangeability with system specifications before substitution.
Key specifications for 12456: Special Features: OUTSIDE DIA. 0.823 TO 0.827 IN.; INSIDE DIA. 0.558 TO 0.560 IN. IN; End Item Identification: CF18 APU HAND PUMP. 0 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.