The Seal,plain, cataloged under National Stock Number 5330-01-557-7603, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Applied Industrial Technologies Ptyltd. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-557-7603 |
| Primary Part Number | CR597308 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Applied Industrial Technologies Ptyltd |
| Status | ACTIVE |
| Seal Width | 1.125 INCHES NOMINAL IN |
| Housing Bore Diameter | 0.937 INCHES NOMINAL 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 |
|---|---|
| CR597308 | Applied Industrial Technologies Ptyltd (AUS) |
| Reference | Meaning |
|---|---|
| 597308 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-557-7603 is a Seal,plain, manufactured by Applied Industrial Technologies Ptyltd, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-557-7603 has 1 manufacturer part number on file: CR597308 (Applied Industrial Technologies Ptyltd).
Key specifications for CR597308: Seal Width: 1.125 INCHES NOMINAL IN; Housing Bore Diameter: 0.937 INCHES NOMINAL IN; Special Features: SKF AXIAL CLAMP SEALS ARE PRODUCED IN THREE DIFFERENT DESIGNS:CT1, CT3, AND CT4 DESIGN; THESE AXIAL CLAMP SEALS ARE MADE OF APPROPRIATELY PROFILED STRIPS OF NON-REINFORCED NITRILE RUBBER WHICH ARE HELD FIRMLY IN PLACE BY STAINLESS STEEL SCREW-TYPE CLAMPS; THEY ARE AVAILABLE IN THE DIAMETER RANGE 150 TO 4600 MM; THE SEALS DO NOT ROTATE BUT SEAL AXIALLY AGAINST A ROTATING COUNTERFACE; CT3 DESIGN:THE SEALS OF THE CT3 DESIGN DIFFER FROM THOSE OF THE CT1 DESIGN ONLY IN THE FORM OF THE SEALING LIP; THIS IS AGAIN FLAT BUT IS PROVIDED WITH ANNULAR GROOVES; THESE SERVE TO TRAP CONTAMINANTS WHICH MAY HAVE STARTED TO PENETRATE THE LIP/COUNTERFACE CONTACT; THE MAXIMUM OPERATING INTERFERENCE FOR THESE SEALS IS +4,8 MM; SHAFT:42.500 IN.; OD:43.688 IN.; WEIGHT:4.250 LBS LBS; Part Name Assigned by Controlling Agency: AXIAL CLAMP SEALS CT3 DESIGN. 2 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.