The Spring,helical,compression, cataloged under National Stock Number 5360-01-374-3301, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5360-01-374-3301 |
| Primary Part Number | HM-034-101 PC 21VM |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material | STEEL CORROSION RESISTING OVERALL |
| Reference Number Differentiating Characteristics | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| HM-034-101 PC 21VM | Naval Inventory Control Point Mechanicsburg (USA) |
| 400375 | Brannon Hydraulics (USA) |
| 400375VM | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| HM-034-101 PC 21 | 5/1 Secondary reference Mcelroy Manufacturing Inc |
| 400375 | 3/1 Design control — primary reference Mcelroy Manufacturing Inc |
NSN 5360-01-374-3301 is a Spring,helical,compression, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-374-3301 has 3 manufacturer part numbers on file: HM-034-101 PC 21VM (Naval Inventory Control Point Mechanicsburg), 400375 (Brannon Hydraulics), 400375VM (Naval Inventory Control Point Mechanicsburg).
Key specifications for HM-034-101 PC 21VM: Criticality Code Justification: ZZZY; Material: STEEL CORROSION RESISTING OVERALL; Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. 3 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.