The Spring,helical,extension, cataloged under National Stock Number 5360-00-346-8947, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-346-8947 |
| Primary Part Number | 11772 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.376 INCHES NOMINAL IN |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.125 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 5.876 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 1.000 INCHES NOMINAL IN |
| Coil Quantity | 20 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 1060 OVERALL |
| Hook Radius | 0.500 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 |
|---|---|
| 11772 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 39184-21 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| E107208 FIND 23 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
NSN 5360-00-346-8947 is a Spring,helical,extension, manufactured by Lake Shore Systems, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-346-8947 has 1 manufacturer part number on file: 11772 (Lake Shore Systems, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 5950-00-884-8314, 4820-01-223-0589, 4820-01-256-8561. Verify interchangeability with system specifications before substitution.
Key specifications for 11772: Spring Free Outside Diameter: 1.376 INCHES NOMINAL IN; End Style: RAISED HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 13 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.