The Gasket, cataloged under National Stock Number 5330-00-994-1877, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-994-1877 |
| Primary Part Number | 40189 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Cross-Sectional Thickness | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Gage Ring Thickness | 0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN |
| Side Radius From Gasket Center | 2.300 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | QQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-25988 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | METAL AND SYNTHETIC RUBBER |
| Aperture Diameter | 3.880 INCHES NOMINAL IN |
| Elongation Percentage | 125 MAXIMUM |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 4.595 INCHES MINIMUM AND 4.605 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Outside Corner Radius | 0.370 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 AND RUBBER FLUOROSILICONE CLASS FQ OVERALL |
| Hole Diameter | 0.266 INCHES MINIMUM AND 0.274 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 |
|---|---|
| 40189 | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| Reference | Meaning |
|---|---|
| CA4537 | 3/2 Design control — primary reference U.S. Government activity |
| 648797 | 5/9 Secondary reference U.S. Government activity |
| C473-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5330-00-994-1877 is a Gasket, manufactured by Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-994-1877 has 1 manufacturer part number on file: 40189 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).
Key specifications for 40189: Temp Rating: -65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Cross-Sectional Thickness: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Gage Ring Thickness: 0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN. 16 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.