The Seal Ring,metal, cataloged under National Stock Number 5330-00-751-9056, 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 10 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 | 5330-00-751-9056 |
| Primary Part Number | 8351399 |
| 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 |
| Surface Treatment Document and Classification | QQ-S-365,TY 3,GR B FED SPEC SINGLE TREATMENT RESPONSE BOTTOM |
| Material Document and Classification | QQ-I-652,CL 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 2.125 INCHES NOMINAL IN |
| Joint Style | INTERLOCKING JOINT |
| Radial Wall Thickness | 0.0850 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Surface Treatment | SILVER OVERALL |
| Material | IRON OVERALL |
| Metallic Hardness Rating | 95.0 MINIMUM ROCKWELL B AND 106.0 MAXIMUM ROCKWELL B |
| 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 |
|---|---|
| 8351399 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5330-00-751-9056 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 5330-00-751-9056 has 1 manufacturer part number on file: 8351399 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8351399: Surface Treatment Document and Classification: QQ-S-365,TY 3,GR B FED SPEC SINGLE TREATMENT RESPONSE BOTTOM; Overall Width: 0.1210 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Material Document and Classification: QQ-I-652,CL 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE. 10 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.