The Spring,helical,extension, cataloged under National Stock Number 5360-00-075-0770, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 20 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 | 5360-00-075-0770 |
| Primary Part Number | G102-240 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.437 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Load Rating | 29.000 POUNDS MINIMUM LBS |
| End Style | MACHINE LOOP BOTH ENDS |
| Design Type | MAINSPRING |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | MIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 4.541 INCHES MINIMUM AND 4.791 INCHES MAXIMUM IN |
| Spring Deflection Rate | 8.500 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.500 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.311 INCHES NOMINAL IN |
| Stock Diameter | 0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Spring Length Under Load | 7.437 INCHES MINIMUM IN |
| Coil Quantity | 52-1/4 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | LEFT-HAND OR RIGHT-HAND |
| Material | STEEL OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.156 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 |
|---|---|
| G102-240 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5360-00-075-0770 is a Spring,helical,extension, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-075-0770 has 1 manufacturer part number on file: G102-240 (Northrop Grumman Systems Corporation).
Key specifications for G102-240: Spring Free Outside Diameter: 0.437 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Load Rating: 29.000 POUNDS MINIMUM LBS; End Style: MACHINE LOOP BOTH ENDS. 20 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.