The Gasket, cataloged under National Stock Number 5330-01-173-8537, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-173-8537 |
| Primary Part Number | CA9493 |
| 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 | 0.126 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| End Radius | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM 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 TYPE 1 CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE INSERT |
| Cross-Sectional Shape Style | METAL AND SYNTHETIC RUBBER |
| Aperture Diameter | 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Elongation Percentage | 125 MAXIMUM |
| Center to Center Distance Between Bolt Holes Along Length | 1.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Corner Radius | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 RETAINER |
| Material | RUBBER FLUOROCARBON CLASS FPM INSERT |
| Hole Diameter | 0.227 INCHES MINIMUM AND 0.233 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 |
|---|---|
| CA9493 | Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa (MEX) |
| 9987M87P01 | General Electric Company (USA) |
| 9987M87P02 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 778173 | 3/2 Design control — primary reference U.S. Government activity |
| CA9493 | 3/9 Design control — primary reference U.S. Government activity |
| 9987M87 | D/9 Drawing number reference only General Electric Company |
NSN 5330-01-173-8537 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 5330-01-173-8537 has 3 manufacturer part numbers on file: CA9493 (Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa), 9987M87P01 (General Electric Company), 9987M87P02 (General Electric Company).
Key specifications for CA9493: Cross-Sectional Thickness: 0.126 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; End Radius: 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM 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.