The Pointer,dial, cataloged under National Stock Number 5355-00-321-0516, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5355-00-321-0516 |
| Primary Part Number | AP291E-540 |
| Item Name | Pointer,dial |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Length | 1.250 INCHES NOMINAL IN |
| Material Transparency | OPAQUE |
| Style Designator | BOW-TIE |
| Mounting Hole Diameter | 0.0745 INCHES MINIMUM AND 0.0760 INCHES MAXIMUM IN |
| Distance From Mounting Hole Center to End of Pointer | 0.810 INCHES NOMINAL IN |
| Width | 0.150 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY OVERALL |
| Attachment Method | HUB MOUNTED |
| 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 |
|---|---|
| AP291E-540 PRIMARY | Ametek, Inc. Div Aerospace & Defense (USA) |
| Reference | Meaning |
|---|---|
| AP291E | 5/9 Secondary reference Ametek, Inc. Div Aerospace & Defense |
NSN 5355-00-321-0516 is a Pointer,dial, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-321-0516 has 1 manufacturer part number on file: AP291E-540 (Ametek, Inc. Div Aerospace & Defense).
Key specifications for AP291E-540: Length: 1.250 INCHES NOMINAL IN; Material Transparency: OPAQUE; Style Designator: BOW-TIE; Mounting Hole Diameter: 0.0745 INCHES MINIMUM AND 0.0760 INCHES MAXIMUM 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.