Product Details | SPACING THREADED STANDOFF

5340-00-188-7366 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: R10211, R1021-1, 5340-00-188-7366, 00-188-7366, 5340001887366, 001887366

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 01 MAR 1971 00-188-7366

Drawings & Photos | NSN 5340-00-188-7366


Cross Reference | NSN 5340-00-188-7366

Part Number Cage Code Manufacturer
R1021-1 88001 UNITED STATES POSTAL SERVICE

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Technical Data | NSN 5340-00-188-7366

Characteristic Specifications
MATERIAL STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-763 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
CROSS-SECTIONAL SHAPE HEXAGON
WIDTH ACROSS FLATS 0.750 INCHES NOMINAL
STYLE DESIGNATOR 5 GROOVED WITH LEFT INTERNAL AND RIGHT EXTERNAL THREAD
GROOVE DIAMETER 0.343 INCHES NOMINAL
LENGTH 2.813 INCHES NOMINAL
GROOVE RADIUS 0.060 INCHES NOMINAL
DISTANCE FROM END TO GROOVE 0.938 INCHES NOMINAL
SMALLER GROOVE RADIUS 0.060 INCHES NOMINAL
SMALLER GROOVE DIAMETER 0.343 INCHES NOMINAL
THREAD LENGTH 0.380 INCHES NOMINAL LEFT INTERNAL 0.507 INCHES NOMINAL RIGHT EXTERNAL
(NON-CORE DATA) FIRST INTERNAL THREAD CHARACTERISTICS NO. 8/0.164 IN. 32-NC-2B-RH
(NON-CORE DATA) EXTERNAL THREAD CHARACTERISTICS 3/8 /0.375/ IN.-16-UNC-2A-RH

Restrictions/Controls & Freight Information | NSN 5340-00-188-7366

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