The Turnbuckle, cataloged under National Stock Number 5340-01-191-2906, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-191-2906 |
| Primary Part Number | 12271253 |
| Item Name | Turnbuckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PIN OR 1 COTTER PIN |
| Take-Up Distance | 12.000 INCHES NOMINAL IN |
| Length | 22.812 INCHES NOMINAL IN |
| Body Style | FLAT OPEN BUCKLE |
| End Style | CLEVIS AND CLEVIS |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Locking Device Type | NUT |
| Body Length | 14.250 INCHES NOMINAL IN |
| Fork Width | 2.125 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Pinhole Diameter | 0.750 INCHES NOMINAL IN |
| Material | STEEL COMP 1035 OVERALL |
| 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 |
|---|---|
| 12271253 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5340-01-191-2906 is a Turnbuckle, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-191-2906 has 1 manufacturer part number on file: 12271253 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12271253: Furnished Items and Quantity: 1 PIN OR 1 COTTER PIN; Take-Up Distance: 12.000 INCHES NOMINAL IN; Length: 22.812 INCHES NOMINAL IN; Body Style: FLAT OPEN BUCKLE. 12 specifications are documented in the U.S. Government catalog.
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.