The Knob, cataloged under National Stock Number 5355-01-568-7570, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. Government technical data includes 7 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 | 5355-01-568-7570 |
| Primary Part Number | 82225-1 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc |
| Status | ACTIVE |
| Style Designator | CROSS |
| Nominal Thread Size | 0.250 INCHES STUD IN |
| Shank Style | CONVEX |
| Gripping Surface Condition | SMOOTH |
| Thread Quantity Per Inch | 20 STUD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD |
| Attachment Method | SCREW ON |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 82225-1 PRIMARY | Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA) |
NSN 5355-01-568-7570 is a Knob, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-568-7570 has 1 manufacturer part number on file: 82225-1 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).
Key specifications for 82225-1: Style Designator: CROSS; Nominal Thread Size: 0.250 INCHES STUD IN; Shank Style: CONVEX; Gripping Surface Condition: SMOOTH. 7 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.
NSN 5355-01-568-7570 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.