The Boot,dust and Moisture Seal, cataloged under National Stock Number 5930-00-402-1021, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-402-1021 |
| Primary Part Number | MILB5423-9 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5930 / 59 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Nominal Thread Size | 0.625 INCHES IN |
| Base Thread Location | INTERNAL |
| Thread Length | 0.175 INCHES NOMINAL IN |
| Thread Series | UNEF |
| Style Designator | THRU-HOLE |
| Mounting Method | THREAD |
| Test Data Document | 81349-MIL-B-5423 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Mounting Device Quantity | 1 |
| Opening Inside Diameter | 0.375 INCHES NOMINAL IN |
| Base Inside Diameter | 0.625 INCHES NOMINAL IN |
| Thread Class | 2B |
| FSC Application Data | SWITCH,ROTARY |
| Sealing Method | PACKING |
| Material | RUBBER SILICONE BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILB5423-9 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M5423/09-11 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-DTL-5423/9 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5930-00-402-1021 is a Boot,dust and Moisture Seal, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5930 (No Item Name Available). Status: active.
NSN 5930-00-402-1021 has 3 cross-referenced part numbers: MILB5423-9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M5423/09-11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-5423/9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5930-00-402-1021: 5930-00-140-3241, 5930-00-491-8714, 5930-00-496-7492 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILB5423-9: Width Across Flats: 0.750 INCHES NOMINAL IN; Nominal Thread Size: 0.625 INCHES IN; Base Thread Location: INTERNAL; Thread Length: 0.175 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.