The Knob, cataloged under National Stock Number 5355-01-188-9681, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Electronic Hardware Corp Dba Electronic Hardware Corp. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-188-9681 |
| Primary Part Number | 29-00629 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Electronic Hardware Corp Dba Electronic Hardware Corp |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.250 INCHES NOMINAL IN |
| Inside Width | 0.107 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| Shaft Accommodation Style | FLATTED ONE SIDE |
| Overall Thickness | 0.560 INCHES NOMINAL IN |
| Material Transparency | OPAQUE |
| Style Designator | ROUND WITH BAR FACE |
| Outside Diameter | 0.620 INCHES NOMINAL IN |
| Reference Marking | INDEX LINE AND ARROW |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.112 INCHES SCREW HOLE IN |
| Inside Diameter | 0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Gripping Surface Condition | GRIP AID |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 40 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | SETSCREWS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 29-00629 PRIMARY | Electronic Hardware Corp Dba Electronic Hardware Corp (USA) |
| Reference | Meaning |
|---|---|
| 5055191-006 | 7/2 Vendor item drawing reference Sci Technology, Inc |
| 10117854 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 5M2500-003 | 5/1 Secondary reference The Boeing Company Div Defense |
| TT375-102 | 5/9 Secondary reference Dupree Inc Aerospace Knob Co Div |
| TT375-102 | 3/2 Design control — primary reference U.S. Government activity |
| 5055191-6 | 5/9 Secondary reference Sci Systems Inc |
NSN 5355-01-188-9681 is a Knob, manufactured by Electronic Hardware Corp Dba Electronic Hardware Corp, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-188-9681 has 1 manufacturer part number on file: 29-00629 (Electronic Hardware Corp Dba Electronic Hardware Corp).
1 possible match (shared part number, not a government interchangeability claim): 5355-01-649-6271. Verify interchangeability with system specifications before substitution.
Key specifications for 29-00629: Distance From Hole Center to Knob/skirt Base: 0.250 INCHES NOMINAL IN; Inside Width: 0.107 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN; Shaft Accommodation Style: FLATTED ONE SIDE; Overall Thickness: 0.560 INCHES NOMINAL IN. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.