The Retainer,seal, cataloged under National Stock Number 5330-01-288-2722, 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 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-288-2722 |
| Primary Part Number | 12359103 |
| 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 | 0.310 INCHES NOMINAL IN |
| Style Designator | FLANGED |
| Bolt Hole Diameter | 0.343 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Seal Seat Diameter | 2.748 INCHES MINIMUM AND 2.751 INCHES MAXIMUM IN |
| Aperture Diameter | 2.500 INCHES NOMINAL IN |
| Mounting Flange Length | 5.636 INCHES NOMINAL IN |
| Mounting Flange Width | 4.809 INCHES NOMINAL IN |
| Bolt Hole Quantity | 6 |
| Material | ALUMINUM ALLOY 5083 RETAINER |
| Seal Seat Depth | 0.746 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| 12359103 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5330-01-288-2722 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 5330-01-288-2722 has 1 manufacturer part number on file: 12359103 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12359103: Overall Height: 0.964 INCHES NOMINAL IN; Flange Thickness: 0.310 INCHES NOMINAL IN; Style Designator: FLANGED; Bolt Hole Diameter: 0.343 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN. 11 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.