The Seal,plain, cataloged under National Stock Number 5330-01-246-9989, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Macroseal, Inc. Dba Macroseal Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-246-9989 |
| Primary Part Number | A011100-04250575 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Macroseal, Inc. Dba Macroseal Inc |
| Status | ACTIVE |
| Seal Width | 0.625 INCHES NOMINAL IN |
| Housing Bore Diameter | 5.750 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SINGLE LIP |
| Accommodated Shaft Diameter | 4.250 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING SPRING |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| Construction | SPLIT |
| 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 |
|---|---|
| A011100-04250575 PRIMARY | Macroseal, Inc. Dba Macroseal Inc (USA) |
| RW4/781119-1 | David Brown Gear Systems Limited (GBR) |
| 0425-15219 | Wyatt Seal Inc (USA) |
| Reference | Meaning |
|---|---|
| RW4/781119-1 | 5/9 Secondary reference David Brown Special Products Ltd |
| RW4/781119-1 | 5/9 Secondary reference Brown David Vehicle Products Ltd |
NSN 5330-01-246-9989 is a Seal,plain, manufactured by Macroseal, Inc. Dba Macroseal Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-246-9989 has 3 manufacturer part numbers on file: A011100-04250575 (Macroseal, Inc. Dba Macroseal Inc), RW4/781119-1 (David Brown Gear Systems Limited), 0425-15219 (Wyatt Seal Inc).
Key specifications for A011100-04250575: Seal Width: 0.625 INCHES NOMINAL IN; Housing Bore Diameter: 5.750 INCHES NOMINAL IN; Cross-Sectional Shape Style: SINGLE LIP; Accommodated Shaft Diameter: 4.250 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.