The Ring,retaining, cataloged under National Stock Number 5325-01-288-2171, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Smalley Steel Ring Co.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-288-2171 |
| Primary Part Number | VH-337 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Smalley Steel Ring Co. |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | SAE 1070 ASSN STD 1ST MATERIAL RESPONSE OR SAE 1074 ASSN STD 2ND MATERIAL RESPONSE OR SAE 1078 ASSN STD 3RD MATERIAL RESPONSE OR SAE 1080 ASSN STD 4TH MATERIAL RESPONSE OR SAE 1084 ASSN STD 5TH MATERIAL RESPONSE OR SAE 1085 ASSN STD 6TH MATERIAL RESPONSE OR SAE 1086 ASSN STD 7TH MATERIAL RESPONSE OR SAE 1090 ASSN STD 8TH MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 3.504 INCHES MINIMUM AND 3.534 INCHES MAXIMUM IN |
| Major Thickness | 0.037 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN |
| Inside Diameter | 3.138 INCHES MINIMUM AND 3.148 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL |
| Material | STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090 |
| 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 |
|---|---|
| VH-337 PRIMARY | Smalley Steel Ring Co. (USA) |
| 534B0174H03 | Frick Co (USA) |
| Reference | Meaning |
|---|---|
| UR-337 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-288-2171 is a Ring,retaining, manufactured by Smalley Steel Ring Co., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-288-2171 has 2 manufacturer part numbers on file: VH-337 (Smalley Steel Ring Co.), 534B0174H03 (Frick Co).
Key specifications for VH-337: Usage Design: INTERNAL; Strength Rating: ERR-060; Material Document and Classification: SAE 1070 ASSN STD 1ST MATERIAL RESPONSE OR SAE 1074 ASSN STD 2ND MATERIAL RESPONSE OR SAE 1078 ASSN STD 3RD MATERIAL RESPONSE OR SAE 1080 ASSN STD 4TH MATERIAL RESPONSE OR SAE 1084 ASSN STD 5TH MATERIAL RESPONSE OR SAE 1085 ASSN STD 6TH MATERIAL RESPONSE OR SAE 1086 ASSN STD 7TH MATERIAL RESPONSE OR SAE 1090 ASSN STD 8TH MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUNDED CORNERS. 10 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.