The Seal,plain, cataloged under National Stock Number 5330-01-538-5841, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Bird-Johnson Propeller Company, Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-538-5841 |
| Primary Part Number | N-2-5-2 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Bird-Johnson Propeller Company, Llc |
| Status | ACTIVE |
| Housing Bore Diameter | 31.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SINGLE LIP |
| Accommodated Shaft Diameter | 30.000 INCHES NOMINAL IN |
| Material | PLASTIC OVERALL |
| Construction | SOLID |
| 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 |
|---|---|
| N-2-5-2 PRIMARY | Bird-Johnson Propeller Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 359476 | 5/9 Secondary reference A W Chesterton Co Div Sealing Device Division |
| 92873 | 5/9 Secondary reference A W Chesterton Co Div Sealing Device Division |
| 33A003016 | 5/9 Secondary reference Suyfa Defence SL |
| N-2-5-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-538-5841 is a Seal,plain, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-538-5841 has 1 manufacturer part number on file: N-2-5-2 (Bird-Johnson Propeller Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-681-5173. Verify interchangeability with system specifications before substitution.
Key specifications for N-2-5-2: Housing Bore Diameter: 31.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: SINGLE LIP; Accommodated Shaft Diameter: 30.000 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: RING,WIPER. 5 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.