NSN 5306-00-939-1800 496296, 00-939-1800, 009391800
Product Details | ECCENTRIC HEAD BOLT
5306-00-939-1800 An externally threaded fastener the head of which is usually flat with a periphery not concentric to the bolt shank. The head is not designed for wrenching. It may have a drive feature located at the threaded end, which can be used to rotate the screw and eccentric head into a locking position to secure a flanged or groove component.
Part Alternates: 496296, 5306-00-939-1800, 00-939-1800, 5306009391800, 009391800
Hardware and Abrasives | Bolts
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 03 NOV 1965 | 00-939-1800 | 21861 ( BOLT, ECCENTRIC HEAD ) |
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Technical Data | NSN 5306-00-939-1800
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5825 ASSN STD 1ST MATERIAL RESPONSE OR AMS 7473 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | C26 DEE CHAMFER |
| HEAD DIAMETER | 0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| HEAD HEIGHT | 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO FLAT | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.410 INCHES MINIMUM AND 0.430 INCHES MAXIMUM |
| DISTANCE FROM CENTER OF HEAD TO CENTER OF SHANK | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | D6 RECESSED TYPE 1 |
| MANUFACTURERS CODE | 77445 |
| DESIGN CONTROL REFERENCE | 496296 |
Restrictions/Controls & Freight Information | NSN 5306-00-939-1800
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||
Management | NSN 5306-00-939-1800
| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |



