The Seal,plain, cataloged under National Stock Number 5330-01-406-6946, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 4 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-406-6946 |
| Primary Part Number | 12513362 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Seal Width | 0.430 INCHES NOMINAL IN |
| Housing Bore Diameter | 3.710 INCHES NOMINAL IN |
| Accommodated Shaft Diameter | 2.880 INCHES MINIMUM AND 3.070 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| 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 |
|---|---|
| 12513362 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| ML12535266G1 ILLUS NBR 12 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| V-75A | 5/2 Secondary reference U.S. Government activity |
| V75A NITRILE | 5/9 Secondary reference U.S. Government activity |
| 12513362 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| ML12535266G1 ILLUS NBR 12 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| CR602127 | 5/2 Secondary reference U.S. Government activity |
| 400750 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-406-6946 is a Seal,plain, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-406-6946 has 1 manufacturer part number on file: 12513362 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
1 possible match (shared part number, not a government interchangeability claim): 4520-01-601-2709. Verify interchangeability with system specifications before substitution.
Key specifications for 12513362: Seal Width: 0.430 INCHES NOMINAL IN; Housing Bore Diameter: 3.710 INCHES NOMINAL IN; Special Features: SEAL WIDTH DIMENSION SHOWN ABOVE 0.430 INCH IS FREE WIDTH, FITTED WIDTH IS 0.350 INCH IN; Accommodated Shaft Diameter: 2.880 INCHES MINIMUM AND 3.070 INCHES MAXIMUM IN. 4 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.