The Spring,helical,extension, cataloged under National Stock Number 5360-01-640-8522, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Cmbf, Llc Dba Cmbf Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-640-8522 |
| Primary Part Number | 40-8074-S |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Cmbf, Llc Dba Cmbf Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 40-8074-S PRIMARY | Cmbf, Llc Dba Cmbf Llc (USA) |
| X0729129-001 | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| 40-8074-S | 3/9 Design control — primary reference Motion Control Industries, Inc. |
NSN 5360-01-640-8522 is a Spring,helical,extension, manufactured by Cmbf, Llc Dba Cmbf Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-640-8522 has 2 manufacturer part numbers on file: 40-8074-S (Cmbf, Llc Dba Cmbf Llc), X0729129-001 (General Dynamics Land Systems Canadacorp).
Key specifications for 40-8074-S: Special Features: CURVED BRAKE RETURN SPRING. REPLACING THE STRAIGHT BRAKE RETURN SPRING P/N 2858S97-S, NSN 5360-01-604-2794; End Item Identification: LAV 6.0 BRAKE SYSTEM. 0 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.