The Spring,helical,extension, cataloged under National Stock Number 5360-01-399-3128, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Orbit International Corp. Div Orbit Instrument. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-399-3128 |
| Primary Part Number | 61852G |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Orbit International Corp. Div Orbit Instrument |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.060 INCHES MINIMUM IN |
| Surface Treatment Document and Classification | MIL-G-45204B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | FULL LOOP BOTH ENDS |
| Precious Material | GOLD |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | AMS5688 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN |
| Spring Deflection Rate | 0.054 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.048 INCHES NOMINAL IN |
| Stock Diameter | 0.006 INCHES NOMINAL IN |
| Surface Treatment | COPPER ALLOY AND GOLD OVERALL |
| Precious Material and Location | PLATE TO .0000030 THK GOLD |
| Coil Helix Direction | LEFT-HAND OR RIGHT-HAND |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 61852G PRIMARY | Orbit International Corp. Div Orbit Instrument (USA) |
NSN 5360-01-399-3128 is a Spring,helical,extension, manufactured by Orbit International Corp. Div Orbit Instrument, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-399-3128 has 1 manufacturer part number on file: 61852G (Orbit International Corp. Div Orbit Instrument).
Key specifications for 61852G: Spring Free Outside Diameter: 0.060 INCHES MINIMUM IN; Surface Treatment Document and Classification: MIL-G-45204B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: FULL LOOP BOTH ENDS; Precious Material: GOLD. 14 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.