The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-446-3139, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Wanner Engineering Inc. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Wanner Engineering Inc (CAGE 59776) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-446-3139 |
| Primary Part Number | D25-042-1010 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Wanner Engineering Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| D25-042-1010 PRIMARY | Wanner Engineering Inc (USA) |
| D35C2500001 ITEM 58 | Wanner Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| D35C2500003 ITEM 55 | C/1 Advisory reference — outside the item-of-supply concept Wanner Engineering Inc |
| D35C2500004 ITEM 55 | C/1 Advisory reference — outside the item-of-supply concept Wanner Engineering Inc |
NSN 5340-01-446-3139 is a Retainer,helical Compression Spr, manufactured by Wanner Engineering Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-446-3139 has 2 manufacturer part numbers on file: D25-042-1010 (Wanner Engineering Inc), D35C2500001 ITEM 58 (Wanner Engineering Inc).
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.