The Seal Ring,metal, cataloged under National Stock Number 5330-01-166-6423, 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 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-166-6423 |
| Primary Part Number | 11629836 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Outside Diameter | 2.9995 INCHES MINIMUM AND 3.0005 INCHES MAXIMUM IN |
| Joint Style | INTERLOCKING JOINT |
| Radial Wall Thickness | 0.1130 INCHES MINIMUM AND 0.1230 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Material | IRON OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-01-166-6423 is a Seal Ring,metal, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-166-6423 has 2 manufacturer part numbers on file: 11629836 (Grover Corporation Dba Grover Piston Ring Co), 11629836 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11629836: Overall Width: 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Outside Diameter: 2.9995 INCHES MINIMUM AND 3.0005 INCHES MAXIMUM IN; Joint Style: INTERLOCKING JOINT; Radial Wall Thickness: 0.1130 INCHES MINIMUM AND 0.1230 INCHES MAXIMUM IN. 5 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.