Turnbuckle5340-01-066-3966

NSN 5340-01-066-3966 · NIIN 010663966

FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5340-01-066-3966 · 5340010663966 · NIIN 010663966 · 01-066-3966 · FSC 5340 Hardware, Commercial · ASTM-F1145-I1E 1/2X12 · S223-1-2X12 · FF-T-791 · ASTM-F1145

Nearby stock numbers ← 5340-01-066-3964 · 5340-01-066-3969 Standoff, Threaded, Spacing →

Features

Turnbuckle — FSC 5340
Take-Up Distance: 12.000 INCHES NOMINAL IN
Length: 21.500 INCHES NOMINAL IN
Body Style: ROUND OPEN BODY
End Style: HOOK AND HOOK
Nominal Thread Size: 0.500 INCHES BODY IN
Body Length: 12.000 INCHES NOMINAL IN
Nondefinitive Spec/std Data: 1 TYPE AND 1 GRADE AND E CLASS

Identification

NSN: 5340-01-066-3966
NIIN: 010663966
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives

General Description

The Turnbuckle, cataloged under National Stock Number 5340-01-066-3966, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications

Parameter	Value
NSN	5340-01-066-3966
Item Name	Turnbuckle
FSC / FSG	5340 / 53 — Hardware, Commercial
Status	ACTIVE
Take-Up Distance	12.000 INCHES NOMINAL IN
Length	21.500 INCHES NOMINAL IN
Body Style	ROUND OPEN BODY
End Style	HOOK AND HOOK
Nominal Thread Size	0.500 INCHES BODY IN
Body Length	12.000 INCHES NOMINAL IN
Nondefinitive Spec/std Data	1 TYPE AND 1 GRADE AND E CLASS
Thread Class	2B BODY
Material	STEEL OVERALL
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC) BODY

Lifecycle & Compliance

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

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
ASTM-F1145-I1E 1/2X12	3/2 Design control — primary reference U.S. Government activity
S223-1-2X12	3/9 Design control — primary reference The Crosby Group Llc Dba the Crosby Group
FF-T-791	5/9 Secondary reference U.S. Government activity
ASTM-F1145	3/1 Design control — primary reference U.S. Government activity

Frequently Asked Questions

What is NSN 5340-01-066-3966?

NSN 5340-01-066-3966 is a Turnbuckle, classified under FSC 5340, Hardware, Commercial. Status: active.

What are the specifications of 5340-01-066-3966?

Key specifications for 5340-01-066-3966: Take-Up Distance: 12.000 INCHES NOMINAL IN; Length: 21.500 INCHES NOMINAL IN; Body Style: ROUND OPEN BODY; End Style: HOOK AND HOOK. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-066-3966 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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