The Spring,helical,extension, cataloged under National Stock Number 5360-01-129-0927, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-129-0927 |
| Primary Part Number | 3929AS864 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.187 INCHES NOMINAL IN |
| End Style | FULL LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.308 INCHES NOMINAL IN |
| Inside Diameter | 0.160 INCHES NOMINAL IN |
| Coil Quantity | 38 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 631 OVERALL |
| Hook Radius | 0.080 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 |
|---|---|
| 3929AS864 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 10118164 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A733607-2001 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
| 74A733607-2001 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
NSN 5360-01-129-0927 is a Spring,helical,extension, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-129-0927 has 1 manufacturer part number on file: 3929AS864 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3929AS864: Spring Free Outside Diameter: 0.187 INCHES NOMINAL IN; End Style: FULL LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 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.