Product Details | SPACING THREADED STANDOFF

5340-01-166-5403 A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see STUD (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see NUT (as modified); use maximum dimensions(s) for compliance.

Part Alternates: SMB5001201, SM-B-500120-1, 5340-01-166-5403, 01-166-5403, 5340011665403, 011665403

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 15 NOV 1983 01-166-5403

Drawings & Photos | NSN 5340-01-166-5403


Cross Reference | NSN 5340-01-166-5403

Part Number Cage Code Manufacturer
SM-B-500120-1 80063 US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS

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Technical Data | NSN 5340-01-166-5403

Characteristic Specifications
CROSS-SECTIONAL SHAPE HEXAGON
WIDTH ACROSS FLATS 0.312 INCHES NOMINAL
STYLE DESIGNATOR 8 LEFT INTERNAL AND RIGHT INTERNAL THREADS
LENGTH 0.910 INCHES NOMINAL
(NON-CORE DATA) FIRST INTERNAL THREAD LENGTH 0.260 INCHES NOMINAL
(NON-CORE DATA) SECOND INTERNAL THREAD LENGTH 0.260 INCHES NOMINAL
(NON-CORE DATA) FIRST INTERNAL THREAD CHARACTERISTICS 6-32 UNC-2B
(NON-CORE DATA) SECOND INTERNAL THREAD CHARACTERISTICS 6-32 UNC-2B
(NON-CORE DATA) MATERIAL STEEL, QQ-S-763, CLASS 303 OR STEEL, QQ-S-763, CLASS 304
(NON-CORE DATA) SURFACE TREATMENT PASSIVATED

Restrictions/Controls & Freight Information | NSN 5340-01-166-5403

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information