The Locking Assembly, cataloged under National Stock Number 5340-01-475-5239, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Ringfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation. Government technical data includes 1 specification, 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-475-5239 |
| Primary Part Number | 3-1/8 TAS 3012IN |
| Item Name | Locking Assembly |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Ringfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation |
| Status | ACTIVE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 3-1/8 TAS 3012IN PRIMARY | Ringfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation (USA) |
NSN 5340-01-475-5239 is a Locking Assembly, manufactured by Ringfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-475-5239 has 1 manufacturer part number on file: 3-1/8 TAS 3012IN (Ringfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation).
Key specifications for 3-1/8 TAS 3012IN: Special Features: SIZE 3-1/2, NOMINAL LOCKING ASSEMBLY ID 2.125 INCHES, NOMINAL LOCKING ASSEMBLY OD 3.346 INCHES, WIDTH DIMENSIONS 2.205, RELAXED CONDITION 2.520 IN; Material: STEEL. 1 specification is 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.