The Turnbuckle, cataloged under National Stock Number 5340-01-689-5137, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Crosby Group Llc Dba the Crosby Group. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Item Name | Turnbuckle |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | The Crosby Group Llc Dba the Crosby Group (CAGE 75535); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-689-5137 |
| Primary Part Number | 5552273 |
| Item Name | Turnbuckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Crosby Group Llc Dba the Crosby Group |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 5552273 PRIMARY | The Crosby Group Llc Dba the Crosby Group (USA) |
| 3596AS713-2 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 3596AS713 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5340-01-689-5137 is a Turnbuckle, manufactured by The Crosby Group Llc Dba the Crosby Group, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-689-5137 has 2 manufacturer part numbers on file: 5552273 (The Crosby Group Llc Dba the Crosby Group), 3596AS713-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Possible hazard — SDS may be required (DLA HMIC P). 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.