The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-483-0107, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (CAGE 55378) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-483-0107 |
| Primary Part Number | 40402-9 FIND 22 |
| Item Name | Seat,helical Compression Spring |
| 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 |
|---|---|
| 763-03 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40402-9 FIND 22 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 763-03 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 40402-9 | D/9 Drawing number reference only Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
NSN 5340-01-483-0107 is a Seat,helical Compression Spring, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-483-0107 has 2 manufacturer part numbers on file: 763-03 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40402-9 FIND 22 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-608-6773. Verify interchangeability with system specifications before substitution.
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.