The Knob, cataloged under National Stock Number 5355-00-644-4100, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is L3 Aviation Products, Inc. Dba L3 Technologies. Government technical data includes 12 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. 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 | 5355-00-644-4100 |
| Primary Part Number | 800399 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | L3 Aviation Products, Inc. Dba L3 Technologies |
| Status | ACTIVE |
| Shank Diameter | 0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.712 INCHES NOMINAL IN |
| Shank Length | 0.143 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Outside Diameter | 0.500 INCHES MAXIMUM IN |
| Inside Diameter | 0.171 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | NATURAL |
| Material | COPPER ALLOY |
| Attachment Method | PUSH-ON |
| 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 |
|---|---|
| 800399 PRIMARY | L3 Aviation Products, Inc. Dba L3 Technologies (USA) |
NSN 5355-00-644-4100 is a Knob, manufactured by L3 Aviation Products, Inc. Dba L3 Technologies, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-644-4100 has 1 manufacturer part number on file: 800399 (L3 Aviation Products, Inc. Dba L3 Technologies).
2 possible matches (shared part number, not a government interchangeability claim): 5910-01-273-0709, 8465-01-669-5796. Verify interchangeability with system specifications before substitution.
Key specifications for 800399: Shank Diameter: 0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.712 INCHES NOMINAL IN; Shank Length: 0.143 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN. 12 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.