The Knob, cataloged under National Stock Number 5355-00-545-8940, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Warfare Center Aircraft Div. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-545-8940 |
| Primary Part Number | 57A11B16 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Naval Air Warfare Center Aircraft Div |
| Status | ACTIVE |
| Shank Diameter | 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| Distance From Hole Center to Knob/skirt Base | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.688 INCHES NOMINAL IN |
| Skirt Outside Diameter | 0.813 INCHES NOMINAL IN |
| Shank Length | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Outside Diameter | 0.563 INCHES NOMINAL IN |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Inside Diameter | 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Skirt Design | DETACHABLE |
| Width | 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 40 SCREW HOLE |
| Thread Series Designator | UNF SCREW HOLE |
| Skirt Style | STEPPED |
| 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 |
|---|---|
| 57A11B16 PRIMARY | Naval Air Warfare Center Aircraft Div (USA) |
| Reference | Meaning |
|---|---|
| M1365 | 5/9 Secondary reference Dahlberg Co |
| 57A11B16 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 505-9022-001 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5355-00-545-8940 is a Knob, manufactured by Naval Air Warfare Center Aircraft Div, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-545-8940 has 1 manufacturer part number on file: 57A11B16 (Naval Air Warfare Center Aircraft Div).
2 possible matches (shared part number, not a government interchangeability claim): 6610-00-860-4222, 5910-01-257-7927. Verify interchangeability with system specifications before substitution.
Key specifications for 57A11B16: Shank Diameter: 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN; Distance From Hole Center to Knob/skirt Base: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.688 INCHES NOMINAL IN. 22 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.