The Knob, cataloged under National Stock Number 5355-00-644-4114, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5355-00-644-4114 |
| Primary Part Number | 800276 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Shaft Accommodation Style | ROUND |
| Length | 1.820 INCHES NOMINAL IN |
| Overall Thickness | 2.010 INCHES NOMINAL IN |
| Unthreaded Stud Style | ROUND |
| Pointer Design | NONDETACHABLE |
| Gripping Surface Condition | SMOOTH |
| Color | BLACK |
| Width | 0.700 INCHES NOMINAL IN |
| Material | PLASTIC |
| Stud Overall Depth | 1.350 INCHES NOMINAL IN |
| Attachment Method | UNTHREADED STUD |
| 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 |
|---|---|
| 800276 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 800276 | 5/9 Secondary reference L3 Aviation Products, Inc. Dba L3 Technologies |
NSN 5355-00-644-4114 is a Knob, manufactured by Lockheed Martin Corporation, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-644-4114 has 1 manufacturer part number on file: 800276 (Lockheed Martin Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 1560-00-776-3221, 6150-01-597-2375. Verify interchangeability with system specifications before substitution.
Key specifications for 800276: Shaft Accommodation Style: ROUND; Length: 1.820 INCHES NOMINAL IN; Overall Thickness: 2.010 INCHES NOMINAL IN; Unthreaded Stud Style: ROUND. 11 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.