The WASHER,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN, outside_diameter: 0.365 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN, style_designator: FLAT EXTERNAL TEETH, surface_treatment: ZINC OVERALL, material_thickness: 0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN, material_document_and_classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-991-5461, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL COMP 1050 OR STEEL COMP 1053 OR STEEL COMP 1054 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1064 OVERALL |
| hole_diameter | 0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| outside_diameter | 0.365 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN |
| style_designator | FLAT EXTERNAL TEETH |
| surface_treatment | ZINC OVERALL |
| material_thickness | 0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN |
| material_document_and_classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| surface_treatment_document_and_classification | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| NSN | 6685-00-991-5461 |
| FUNCTIONAL DESCRIPTION | ADJUST LEVEL OF MERCURY POOL SO ITS SURFACE JUST TOUCHES THE WHITE ZERO POINTER WHICH FIXES ZERO POINT OF COLUMN; USE SCALE AND VERNIER TO READ COLUMN HEIGHT; MAKE CORRECTIONS FOR TEMP AND GRAVITY AS SHOWN IN INSTRUCTIONS, THIS WILL GIVE TRUE BAROMETRIC PRESSURE AT DESIRED LOCATION |
| TUBE BORE DIAMETER | 0.250 INCHES NOMINAL IN |
| OVERALL WIDTH | 3.000 INCHES NOMINAL IN |
| OVERALL LENGTH | 42.000 INCHES NOMINAL IN |
| CISTERN TYPE | ADJUSTABLE |
| SPECIAL FEATURES | CAN BE USED UP TO 3000 FT, 900 M, ABOVE SEA LEVEL; DOUBLE SCALE ALSO READS 647 TO 805 MM AT 0.1 MM DIV; DOUBLE SCALED THERMOMETER READS IN C AND F; MERCURY LEVEL AND WHITE ZERO POINTER ARE CLEARLY VISIBLE IN GLASS CISTERN; WHITE BACKING FOR CISTERN AND MENISCUS; UNIFORM BORE 1/4 INCH, 6.4 MM, SO CAPILLARY DEPRESSION IS CONSTANT AND TAKEN INTO ACCOUNT IN CALIBRATION; TUBE IS IN METAL CASING ON 3 BY 42 INCH WOOD PANEL; MERCURY IS INCLUDED MM |
| GRADUATION UNIT | 0.010 INCHES IN |
| SCALE RANGE | +25.5 TO 31.7 INCHES ABSOLUTE PRESSURE BELOW BAROMETER IN |