The Spring,helical,extension, cataloged under National Stock Number 5360-00-561-9744, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5360-00-561-9744 |
| Primary Part Number | 50850-7 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.755 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| End Style | MACHINED HALF LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.180 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Length | 2.380 INCHES NOMINAL IN |
| Spring Deflection Rate | 142.000 POUNDS PER INCH MINIMUM AND 146.000 POUNDS PER INCH MAXIMUM LBS |
| Inside Diameter | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.250 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 |
|---|---|
| 50850-7 PRIMARY | Renk America Llc Div Renk America (USA) |
| 8679991 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| GAAN150850-7 | 5/9 Secondary reference Ford Motor Company |
| GAAN150850-7 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
NSN 5360-00-561-9744 is a Spring,helical,extension, manufactured by Renk America Llc Div Renk America, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-561-9744 has 2 manufacturer part numbers on file: 50850-7 (Renk America Llc Div Renk America), 8679991 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 2520-01-168-1983. Verify interchangeability with system specifications before substitution.
Key specifications for 50850-7: Spring Free Outside Diameter: 0.755 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN; End Style: MACHINED HALF LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 12 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.