The Gasket, cataloged under National Stock Number 5330-01-021-9057, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Sonfarrel Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-021-9057 |
| Primary Part Number | 3874433 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sonfarrel Inc. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.120 INCHES NOMINAL IN |
| Inside Corner Radius | 0.375 INCHES NOMINAL IN |
| Gage Ring Thickness | 0.090 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | METAL AND SYNTHETIC RUBBER |
| Aperture Width | 2.850 INCHES NOMINAL IN |
| Aperture Length | 8.670 INCHES NOMINAL IN |
| Bolt Hole Quantity | 10 |
| Outside Corner Radius | 0.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Hole Diameter | 0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| 3874433 PRIMARY | Sonfarrel Inc. (USA) |
| 11743433 | Cearco Co (USA) |
| Reference | Meaning |
|---|---|
| 11743433 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 718471 | 5/2 Secondary reference U.S. Government activity |
| 11743433 | 5/9 Secondary reference Indra Sistemas, Sociedad Anonima |
NSN 5330-01-021-9057 is a Gasket, manufactured by Sonfarrel Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-021-9057 has 2 manufacturer part numbers on file: 3874433 (Sonfarrel Inc.), 11743433 (Cearco Co).
Key specifications for 3874433: Cross-Sectional Thickness: 0.120 INCHES NOMINAL IN; Inside Corner Radius: 0.375 INCHES NOMINAL IN; Gage Ring Thickness: 0.090 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR. 12 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.