The Knob, cataloged under National Stock Number 5355-01-438-9985, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-438-9985 |
| Primary Part Number | PWA80483-2 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Shank Length | 1.620 INCHES NOMINAL IN |
| Style Designator | CROSS |
| Nominal Thread Size | 0.250 INCHES STUD IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | NATURAL |
| Thread Quantity Per Inch | 10 STUD |
| Material | IRON CAST |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD |
| Attachment Method | 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 |
|---|---|
| PWA80483-2 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| SHK-250 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5355-01-438-9985 is a Knob, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-438-9985 has 1 manufacturer part number on file: PWA80483-2 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA80483-2: Shank Length: 1.620 INCHES NOMINAL IN; Style Designator: CROSS; Nominal Thread Size: 0.250 INCHES STUD IN; Shank Style: STRAIGHT. 10 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.