The Knob, cataloged under National Stock Number 5355-00-721-8084, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5355-00-721-8084 |
| Primary Part Number | MS91531-4B2B |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — No Item Name Available |
| Manufacturer | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use |
| Status | CANCELLED |
| Distance From Hole Center to Knob/skirt Base | 0.250 INCHES NOMINAL IN |
| Gripping Surface Condition | GRIP AID |
| Overall Thickness | 0.875 INCHES NOMINAL IN |
| Screw Drive Type | HEXAGON SOCKET |
| Attachment Method | SETSCREWS |
| Style Designator | ROUND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Color | BLACK |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Setscrew Hole Quantity | 2 |
| Outside Diameter | 2.375 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Shank Style | STRAIGHT |
| Shank Diameter | 1.734 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Inside Diameter | 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Shank Length | 0.438 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS91531-4B2B | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| NASM91531 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| MS91531-4B2B PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
NSN 5355-00-721-8084 is a Knob, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5355 (No Item Name Available). Status: cancelled.
NSN 5355-00-721-8084 has 3 cross-referenced part numbers: MS91531-4B2B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), NASM91531 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS91531-4B2B (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).
There are 12 known substitutes for 5355-00-721-8084: 5355-00-065-5064, 5355-00-160-6099, 5355-00-226-4244 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS91531-4B2B: Distance From Hole Center to Knob/skirt Base: 0.250 INCHES NOMINAL IN; Gripping Surface Condition: GRIP AID; Overall Thickness: 0.875 INCHES NOMINAL IN; Screw Drive Type: HEXAGON SOCKET. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5355-00-721-8084 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.