Product Details | GANG CHANNEL SELF-LOCKING NUT ASSEMBLY

5310-01-318-7278 An item composed of a specially designed channel and a series of nuts having integral self-locking features assembled in predetermined spacing.

Part Alternates: ST3M777N1123, ST3M777N1-12-3, 5310-01-318-7278, 01-318-7278, 5310013187278, 013187278

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 24 APR 1990 01-318-7278

Drawings & Photos | NSN 5310-01-318-7278


Cross Reference | NSN 5310-01-318-7278

Part Number Cage Code Manufacturer
ST3M777N1-12-3 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5310-01-318-7278

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.438 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL ALUMINUM CHANNEL IRON ALLOY 660 NUT
SURFACE TREATMENT ANODIZE CHANNEL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625 ASSN STD SINGLE TREATMENT RESPONSE CHANNEL
HARDNESS RATING NOT RATED
NUT STYLE A20 GANG CHANNEL, SELF LOCKING
BASE WIDTH ANY ACCEPTABLE
NUT LENGTH ANY ACCEPTABLE
BASE THICKNESS ANY ACCEPTABLE
NUT HEIGHT 0.427 INCHES NOMINAL
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
CHANNEL STYLE C1 STRAIGHT TYPE
OVERALL LENGTH 72.000 INCHES NOMINAL
OVERALL WIDTH 0.900 INCHES MAXIMUM
ASSEMBLY OVERALL HEIGHT 0.477 INCHES MAXIMUM
CHANNEL HEIGHT 0.400 INCHES MAXIMUM
NUT SPACING 1.500 INCHES NOMINAL
NUT QUANTITY 3
NUT COUNTERBORE DEPTH 0.125 INCHES NOMINAL NUT
COUNTERBORE DIAMETER 0.442 INCHES MINIMUM NUT
LUBRICATION DRY FILM LUBRICANT
TEMP RATING NOT RATED
FEATURES PROVIDED FLOATING NUT

Restrictions/Controls & Freight Information | NSN 5310-01-318-7278

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
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