The Knob, cataloged under National Stock Number 5355-00-818-7638, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc.. Government technical data includes 19 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 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 | 5355-00-818-7638 |
| Primary Part Number | 325138 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.400 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Length | 0.520 INCHES NOMINAL IN |
| Skirt Outside Diameter | 0.800 INCHES NOMINAL IN |
| Style Designator | ROUND WITH SINGLE POINTER |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Inside Diameter | 0.252 INCHES NOMINAL IN |
| Pointer Design | NONDETACHABLE |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Skirt Design | NONDETACHABLE |
| Width | 0.850 INCHES NOMINAL IN |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Skirt Style | FLARED |
| 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 |
|---|---|
| 325138 PRIMARY | L3harris Technologies, Inc. (USA) |
NSN 5355-00-818-7638 is a Knob, manufactured by L3harris Technologies, Inc., classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-818-7638 has 1 manufacturer part number on file: 325138 (L3harris Technologies, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-439-8131. Verify interchangeability with system specifications before substitution.
Key specifications for 325138: Distance From Hole Center to Knob/skirt Base: 0.400 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Length: 0.520 INCHES NOMINAL IN; Skirt Outside Diameter: 0.800 INCHES NOMINAL IN. 19 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.