The Gasket, cataloged under National Stock Number 5330-01-172-4655, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-172-4655 |
| Primary Part Number | CA6476 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.107 INCHES NOMINAL IN |
| End Radius | 0.520 INCHES NOMINAL IN |
| Gage Ring Thickness | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | AMS 4027 ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | MIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE PACKING |
| Cross-Sectional Shape Style | METAL AND SYNTHETIC RUBBER |
| Aperture Diameter | 0.460 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN |
| Elongation Percentage | 125 MAXIMUM |
| Center to Center Distance Between Bolt Holes Along Length | 1.380 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Corner Radius | 0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 RETAINER |
| Material | RUBBER FLUOROCARBON CLASS FPM PACKING |
| Hole Diameter | 0.218 INCHES MINIMUM AND 0.224 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 |
|---|---|
| CA6476 | Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa (MEX) |
| 9952M78P04 | General Electric Company (USA) |
| 9952M78P02 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| CA6476 | 5/9 Secondary reference U.S. Government activity |
| 748271-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-172-4655 is a Gasket, manufactured by Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-172-4655 has 3 manufacturer part numbers on file: CA6476 (Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa), 9952M78P04 (General Electric Company), 9952M78P02 (General Electric Company).
Key specifications for CA6476: Cross-Sectional Thickness: 0.107 INCHES NOMINAL IN; End Radius: 0.520 INCHES NOMINAL IN; Gage Ring Thickness: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Style Designator: NON-CIRCULAR. 14 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.