The Spring,helical,extension, cataloged under National Stock Number 5360-01-306-4234, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Lee Spring Company Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5360-01-306-4234 |
| Primary Part Number | LE-037CD-8MW |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lee Spring Company Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.300 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 2.250 INCHES NOMINAL IN |
| Spring Deflection Rate | 2.600 POUNDS PER INCH MINIMUM AND 3.200 POUNDS PER INCH MAXIMUM LBS |
| Inside Diameter | 0.226 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Hook Radius | 0.113 INCHES NOMINAL BOTH ENDS IN |
| 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 |
|---|---|
| LE-037CD-8MW PRIMARY | Lee Spring Company Llc (USA) |
| 1735AS377-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| E0300-037-2250 | 5/9 Secondary reference Barnes Group Inc Associated Spring Div |
| LE-037CD-8MW | 5/9 Secondary reference U.S. Government activity |
| LE-037CD-8 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| E0300-037-2250M | 3/9 Design control — primary reference Barnes Group Inc Associated Spring Div |
NSN 5360-01-306-4234 is a Spring,helical,extension, manufactured by Lee Spring Company Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-306-4234 has 2 manufacturer part numbers on file: LE-037CD-8MW (Lee Spring Company Llc), 1735AS377-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-467-5607. Verify interchangeability with system specifications before substitution.
Key specifications for LE-037CD-8MW: Spring Free Outside Diameter: 0.300 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 9 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.