The Ring,retaining, cataloged under National Stock Number 5325-00-286-9456, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Iwc Llc Dba Ideal Windlass Company. 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 | 5325-00-286-9456 |
| Primary Part Number | TW2CB17 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Iwc Llc Dba Ideal Windlass Company |
| Status | ACTIVE |
| Material Hardness Rating | 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| Usage Design | EXTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | ASTM A576 COMP 1070 OR 1080 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 4.050 INCHES NOMINAL IN |
| Major Thickness | 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Inside Diameter | 3.550 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL FLAT |
| Material | STEEL COMP 1070 OR STEEL COMP 1080 |
| 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 |
|---|---|
| TW2CB17 PRIMARY | Iwc Llc Dba Ideal Windlass Company (USA) |
NSN 5325-00-286-9456 is a Ring,retaining, manufactured by Iwc Llc Dba Ideal Windlass Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-286-9456 has 1 manufacturer part number on file: TW2CB17 (Iwc Llc Dba Ideal Windlass Company).
Key specifications for TW2CB17: Material Hardness Rating: 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM; Usage Design: EXTERNAL; Strength Rating: ERR-060; Material Document and Classification: ASTM A576 COMP 1070 OR 1080 ASSN STD SINGLE MATERIAL RESPONSE. 11 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.