The Retainer,seal, cataloged under National Stock Number 5330-00-443-9900, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-00-443-9900 |
| Primary Part Number | 11593741 |
| Item Name | Retainer,seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Flange Thickness | 0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Bolt Hole Diameter | 0.437 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| Seal Seat Diameter | 5.373 INCHES MINIMUM AND 5.381 INCHES MAXIMUM IN |
| Aperture Diameter | 4.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 6.750 INCHES NOMINAL IN |
| Mounting Flange Diameter | 7.625 INCHES NOMINAL IN |
| Seal Seat Depth | 0.755 INCHES MINIMUM AND 0.775 INCHES MAXIMUM 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 |
|---|---|
| 11593741 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5330004439900 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5330-00-443-9900 is a Retainer,seal, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-443-9900 has 1 manufacturer part number on file: 11593741 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11593741: Overall Height: 1.099 INCHES MINIMUM AND 1.109 INCHES MAXIMUM IN; Flange Thickness: 0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN; Bolt Hole Diameter: 0.437 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN; Seal Seat Diameter: 5.373 INCHES MINIMUM AND 5.381 INCHES MAXIMUM IN. 8 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.