Product Details | SPACING THREADED STANDOFF

5340-01-257-1040 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: 302781-002, 3027812, 302781-2, 5340-01-257-1040, 01-257-1040, 5340012571040, 302781002, 012571040

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 12 JUN 1987 01-257-1040

Drawings & Photos | NSN 5340-01-257-1040


Cross Reference | NSN 5340-01-257-1040

Part Number Cage Code Manufacturer
302781-002 29778 RAYTHEON TRAINING INC DBA HUGHES FLIGHT SIMULATION
302781-2 29778 RAYTHEON TRAINING INC DBA HUGHES FLIGHT SIMULATION

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Technical Data | NSN 5340-01-257-1040

Characteristic Specifications
CROSS-SECTIONAL SHAPE ROUND
DIAMETER 0.622 INCHES MINIMUM AND 0.623 INCHES MAXIMUM
STYLE DESIGNATOR 6 LEFT INTERNAL AND RIGHT EXTERNAL THREAD
LENGTH 4.300 INCHES MINIMUM AND 4.340 INCHES MAXIMUM
(NON-CORE DATA) EXTERNAL THREAD LENGTH 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM
(NON-CORE DATA) FIRST PROJECTION LENGTH 6.910 INCHES MINIMUM AND 6.950 INCHES MAXIMUM
(NON-CORE DATA) FIRST PROJECTION DIAMETER 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
(NON-CORE DATA) FIRST INTERNAL THREAD LENGTH 0.300 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
(NON-CORE DATA) EXTERNAL THREAD CHARACTERISTICS 0.375-24 UNF-2A
(NON-CORE DATA) MATERIAL STEEL, AISI 410
MANUFACTURERS CODE 29778
DESIGN CONTROL REFERENCE 302781-002

Restrictions/Controls & Freight Information | NSN 5340-01-257-1040

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