The Spring,helical,extension, cataloged under National Stock Number 5360-01-179-4602, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-179-4602 |
| Primary Part Number | 75A352208-2003 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.300 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | PS13145,TYPE 2,CLASS 2,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Load Rating | 44.00 POUNDS NOMINAL LBS |
| End Style | MACHINE LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.680 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 10.150 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 1.030 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 1.010 INCHES NOMINAL IN |
| Spring Length Under Load | 14.500 INCHES NOMINAL IN |
| Coil Quantity | 52-1/2 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| Hook Radius | 0.320 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 | F |
| Part Number | Manufacturer |
|---|---|
| 75A352208-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75A352208-2003 | C/1 Advisory reference — outside the item-of-supply concept Renton Coil Spring Company |
| 75A352208-2003 | C/1 Advisory reference — outside the item-of-supply concept The Precision Coil Spring Company Dba Precision Coil Spring Co |
| 75A352208-2003 | C/1 Advisory reference — outside the item-of-supply concept Ebsco Spring Co. Inc. |
NSN 5360-01-179-4602 is a Spring,helical,extension, manufactured by The Boeing Company Div Defense, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-179-4602 has 1 manufacturer part number on file: 75A352208-2003 (The Boeing Company Div Defense).
Key specifications for 75A352208-2003: Spring Free Outside Diameter: 1.300 INCHES NOMINAL IN; Surface Treatment Document and Classification: PS13145,TYPE 2,CLASS 2,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL; Load Rating: 44.00 POUNDS NOMINAL LBS; End Style: MACHINE LOOP BOTH ENDS. 17 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.