The Mask,dial, cataloged under National Stock Number 5355-01-159-0109, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-159-0109 |
| Primary Part Number | 1818725 |
| Item Name | Mask,dial |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Radius | 0.813 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Material | ALUMINUM ALLOY MASK |
| Material | ALUMINUM ALLOY HUB |
| 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 |
|---|---|
| 1818725 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5355-01-159-0109 is a Mask,dial, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-159-0109 has 1 manufacturer part number on file: 1818725 (Northrop Grumman Systems Corporation).
Key specifications for 1818725: Radius: 0.813 INCHES NOMINAL IN; Special Features: SETSCREW HOLE QUANTITY: 1; DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.097 IN. ATTACHMENT METHOD: SETSCREWS; SCREW DRIVE TYPE: SLOT; THREAD QUANTITY PER INCH: 56; NOMINAL THREAD SIZE: 0.086; THREAD SERIES DESIGNATOR: NC; MATERIAL ALUMINUM ALLOY 6061 PER QQ-A-225/8, T651; SURFACE TREATMENT: CHROMATE PER MIL-C-5541, CLASS 1A A; Surface Treatment: CHROMATE OVERALL; Material: ALUMINUM ALLOY MASK. 4 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.