The Ring,wiper, cataloged under National Stock Number 5330-01-121-1844, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-121-1844 |
| Item Name | Ring,wiper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Outer Edge Thickness | 0.304 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | COUNTERBORED STRAIGHT FACE |
| Outside Diameter | 1.620 INCHES MINIMUM AND 1.623 INCHES MAXIMUM IN |
| Material Thickness | 0.960 INCHES MINIMUM AND 0.965 INCHES MAXIMUM IN |
| Inside Diameter | 0.877 INCHES MINIMUM AND 0.878 INCHES MAXIMUM 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 |
| Reference | Meaning |
|---|---|
| 4677983-0006 | 3/2 Design control — primary reference U.S. Government activity |
| 37-31-7828 | 5/9 Secondary reference U.S. Government activity |
| 522-4677983 ITE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 87682-7207 ITEM | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 87682-7202 ITEM 6 | 5/2 Secondary reference U.S. Government activity |
| 522-4677983 | D/9 Drawing number reference only U.S. Government activity |
| 87682-7202 | 5/9 Secondary reference Oceanetics Inc |
NSN 5330-01-121-1844 is a Ring,wiper, classified under FSC 5330, Packing and Gasket Materials. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-121-1932, 3040-01-151-8062. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-121-1844: Outer Edge Thickness: 0.304 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN; Material Document and Classification: UNABLE TO DECODE; Cross-Sectional Shape Style: COUNTERBORED STRAIGHT FACE; Outside Diameter: 1.620 INCHES MINIMUM AND 1.623 INCHES MAXIMUM IN. 8 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.