The Knob, cataloged under National Stock Number 5355-01-087-1997, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5355-01-087-1997 |
| Primary Part Number | CA18014 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.100 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 0.508 INCHES NOMINAL IN |
| Inside Diameter | 0.260 INCHES NOMINAL IN |
| Gripping Surface Condition | GRIP AID |
| Color | NATURAL |
| Attachment Method | UNTHREADED COUNTERBORED HOLE |
| 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 |
|---|---|
| GR531BH1 | Northrop Grumman Systems Corporation (USA) |
| CA18014 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 5493314 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| ST1280202HE0401 | 5/9 Secondary reference U.S. Government activity |
NSN 5355-01-087-1997 is a Knob, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-087-1997 has 2 manufacturer part numbers on file: GR531BH1 (Northrop Grumman Systems Corporation), CA18014 (Howmet Global Fastening Systems Inc. Div Tridair Products).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-392-2076. Verify interchangeability with system specifications before substitution.
Key specifications for CA18014: Shaft Accommodation Style: ROUND; Overall Thickness: 0.100 INCHES NOMINAL IN; Style Designator: ROUND; Outside Diameter: 0.508 INCHES NOMINAL IN. 8 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.