The Turnbuckle, cataloged under National Stock Number 5340-00-187-8184, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American Society for Testing and Materials Dba Astm International. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-187-8184 |
| Primary Part Number | ASTM-F1145-I1D 1/4X4 |
| Item Name | Turnbuckle |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | American Society for Testing and Materials Dba Astm International |
| Status | CANCELLED |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) BODY |
| Thread Class | 1A BODY A |
| Eye Width | 0.344 INCHES NOMINAL IN |
| Locking Device Type | NUT |
| Body Length | 4.750 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES BODY IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| End Style | CLOSED EYE AND CLOSED EYE |
| Nondefinitive Spec/std Data | 4 CLASS AND 1 FORM AND 1 TYPE |
| Length | 7.500 INCHES NOMINAL IN |
| Take-Up Distance | 4.000 INCHES NOMINAL IN |
| Body Style | ROUND OPEN BODY |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-003-6685 |
| HAZMAT | No |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| FF-T-791 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| ASTM-F1145-I1D 1/4X4 PRIMARY | American Society for Testing and Materials Dba Astm International (USA) |
| 111152 | Air Logistics Corporation Dba Air Logistics Corp (USA) |
| ASTM-F1145 | American Society for Testing and Materials Dba Astm International (USA) |
| ASTMF1145TY1GR1CLD | American Society for Testing and Materials Dba Astm International (USA) |
NSN 5340-00-187-8184 is a Turnbuckle, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 5340 (No Item Name Available). Status: cancelled.
NSN 5340-00-187-8184 has 5 cross-referenced part numbers: FF-T-791 (Federal Specifications Promulgated by General Services Administration Washington DC), ASTM-F1145-I1D 1/4X4 (American Society for Testing and Materials Dba Astm International), 111152 (Air Logistics Corporation Dba Air Logistics Corp), ASTM-F1145 (American Society for Testing and Materials Dba Astm International), ASTMF1145TY1GR1CLD (American Society for Testing and Materials Dba Astm International).
There are 12 known substitutes for 5340-00-187-8184: 5340-00-758-8239, 5340-00-187-8186, 5306-00-003-6685 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ASTM-F1145-I1D 1/4X4: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) BODY; Thread Class: 1A BODY A; Eye Width: 0.344 INCHES NOMINAL IN; Locking Device Type: NUT. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5340-00-187-8184 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.