The Spring,helical,extension, cataloged under National Stock Number 5360-01-302-4600, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-302-4600 |
| Primary Part Number | G102-640 |
| 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 | 0.515 INCHES NOMINAL IN |
| Load Rating | 58.0 POUNDS MAXIMUM LBS |
| Special Test Features | DESIGN SPRING LIFE: 75,000 CYCLES AT 78.4% STRESS RANGE |
| Supplementary Features | NUMBER OF ACTIVE COILS: 14.5; INITIAL TENSION: 12.5LBS, + OR - 10% LBS |
| Material Document and Classification | Q-W-470 ASSN STD 13TH MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.165 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.250 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 0.100 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hook Radius | 0.125 INCHES NOMINAL FIRST END 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 |
|---|---|
| G102-640 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| G102-640 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5360-01-302-4600 is a Spring,helical,extension, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-302-4600 has 1 manufacturer part number on file: G102-640 (Northrop Grumman Systems Corporation).
Key specifications for G102-640: Spring Free Outside Diameter: 0.515 INCHES NOMINAL IN; Load Rating: 58.0 POUNDS MAXIMUM LBS; Special Test Features: DESIGN SPRING LIFE: 75,000 CYCLES AT 78.4% STRESS RANGE; Supplementary Features: NUMBER OF ACTIVE COILS: 14.5; INITIAL TENSION: 12.5LBS, + OR - 10% LBS. 11 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.