The Ring,retaining, cataloged under National Stock Number 5325-00-281-3626, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Multi-Tech Industries Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-281-3626 |
| Primary Part Number | 5000-206ST18 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Multi-Tech Industries Inc. |
| Status | ACTIVE |
| Material Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | QQ-S-633 AMEND. 2 FS 1060 TO FS 1074 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 2.200 INCHES MINIMUM AND 2.210 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 583323 PART |
| Major Thickness | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | INTERNAL |
| Surface Treatment | CADMIUM OR ZINC AND DICHROMATE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5000-206ST18 PRIMARY | Multi-Tech Industries Inc. (USA) |
| 7756084 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 583323 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 7539825 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5000-206ST18 | 5/9 Secondary reference U.S. Government activity |
| 000-206ST18 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-281-3626 is a Ring,retaining, manufactured by Multi-Tech Industries Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-281-3626 has 4 manufacturer part numbers on file: 5000-206ST18 (Multi-Tech Industries Inc.), 7756084 (U S Army Tank Automotive Command Amsta-Im-Mm), 583323 (Army Weapons Command Attn Amswe-Ree-S), 7539825 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 5000-206ST18: Material Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; Strength Rating: ERR-060; Material Document and Classification: QQ-S-633 AMEND. 2 FS 1060 TO FS 1074 FED SPEC SINGLE MATERIAL RESPONSE. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.