The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-217-5055, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (CAGE 55378) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-217-5055 |
| Primary Part Number | 504-00 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 504-00 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 504-00VM | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 504 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 40176 PIECE 10A | 5/9 Secondary reference Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
NSN 5340-01-217-5055 is a Retainer,helical Compression Spr, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-217-5055 has 1 manufacturer part number on file: 504-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co 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.