The Knob, cataloged under National Stock Number 5355-01-025-3879, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Airco Industries, Inc. Dba Photo Etch Div Photo Etch. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-025-3879 |
| Primary Part Number | 1013-1 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Airco Industries, Inc. Dba Photo Etch Div Photo Etch |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.250 INCHES NOMINAL IN |
| Width Across Flats | 0.740 INCHES NOMINAL IN |
| Overall Thickness | 0.770 INCHES NOMINAL IN |
| Skirt Outside Diameter | 1.010 INCHES NOMINAL IN |
| Style Designator | SQUARE |
| Setscrew Hole Quantity | 1 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Gripping Surface Condition | SMOOTH |
| Skirt Design | NONDETACHABLE |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Skirt Style | RING |
| 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 |
|---|---|
| 1013-1 PRIMARY | Airco Industries, Inc. Dba Photo Etch Div Photo Etch (USA) |
| Reference | Meaning |
|---|---|
| CPA5180 | 3/2 Design control — primary reference U.S. Government activity |
| 209-075-699-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5355-01-025-3879 is a Knob, manufactured by Airco Industries, Inc. Dba Photo Etch Div Photo Etch, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-025-3879 has 1 manufacturer part number on file: 1013-1 (Airco Industries, Inc. Dba Photo Etch Div Photo Etch).
Key specifications for 1013-1: Distance From Hole Center to Knob/skirt Base: 0.250 INCHES NOMINAL IN; Width Across Flats: 0.740 INCHES NOMINAL IN; Overall Thickness: 0.770 INCHES NOMINAL IN; Skirt Outside Diameter: 1.010 INCHES NOMINAL IN. 13 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.