The Knob, cataloged under National Stock Number 5355-00-544-2987, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 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 | 5355-00-544-2987 |
| Primary Part Number | MS21387-08 |
| 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 |
| Setscrew Hole Quantity | 2 |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Attachment Method | SETSCREWS |
| Distance From Hole Center to Knob/skirt Base | 0.190 INCHES NOMINAL IN |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Style Designator | ROUND WITH FLUTED FOILS |
| Color | GRAY, FED STD 595, 36231 |
| Fluted Foil Quantity | 20 |
| Inside Width | 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Inside Diameter | 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Shaft Accommodation Style | FLATTED ONE SIDE |
| Screw Drive Type | HEXAGON SOCKET |
| Gripping Surface Condition | GRIP AID |
| Overall Thickness | 0.630 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 533-118-19 | Dupree Inc Aerospace Knob Co Div (USA) |
| ST5M1255N103A | The Boeing Company Div Defense (USA) |
| 533-118-19 | Korry Electronics Co (USA) |
| 10117813 | Nimikkeistokeskus Ncb Finland (FIN) |
| NASM21387-08 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| NASM21387 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| MS21387-08 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| NAMS25049 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| MS21387-08 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
NSN 5355-00-544-2987 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 5355-00-544-2987 has 9 cross-referenced part numbers: 533-118-19 (Dupree Inc Aerospace Knob Co Div), ST5M1255N103A (The Boeing Company Div Defense), 533-118-19 (Korry Electronics Co), 10117813 (Nimikkeistokeskus Ncb Finland), NASM21387-08 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 4 more.
There are 12 known substitutes for 5355-00-544-2987: 5355-00-579-2896, 5355-01-099-8001, 5355-01-132-4457 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS21387-08: Setscrew Hole Quantity: 2; Outside Diameter: 0.750 INCHES NOMINAL IN; Attachment Method: SETSCREWS; Distance From Hole Center to Knob/skirt Base: 0.190 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5355-00-544-2987 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.