The Spring,helical,compression, cataloged under National Stock Number 5360-01-064-1402, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-064-1402 |
| Primary Part Number | 11728-B-18A |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.223 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.306 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.530 INCHES NOMINAL IN |
| Spring Deflection Rate | 31.350 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.155 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | NICKEL ALLOY 400 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 |
|---|---|
| PL-11256-F-18 ITEM341 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| B-16X17B341X2 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| PL-11738-F-18 ITEM 341 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 16X17B341X2 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 11728-B-18A PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 16X17B341X2 | 5/9 Secondary reference U.S. Government activity |
| B-16X17B341X1 | 5/9 Secondary reference U.S. Government activity |
| PL-11738-F-18 ITEM 341 | 5/9 Secondary reference U.S. Government activity |
| B-16X17B341X2 | 5/9 Secondary reference U.S. Government activity |
| 11255-B-18 | 5/9 Secondary reference U.S. Government activity |
| PL-11738-H-18 ITEM 341 | 5/9 Secondary reference U.S. Government activity |
| PL-11256-F-18 ITEM341 | 5/9 Secondary reference U.S. Government activity |
| 11728-B-18 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5360-01-064-1402 is a Spring,helical,compression, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-064-1402 has 5 manufacturer part numbers on file: PL-11256-F-18 ITEM341 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), B-16X17B341X2 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), PL-11738-F-18 ITEM 341 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 16X17B341X2 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 11728-B-18A (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 11728-B-18A: Spring Free Outside Diameter: 0.223 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.306 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 10 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.