The Knob, cataloged under National Stock Number 5355-00-561-7731, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 19 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 | 5355-00-561-7731 |
| Primary Part Number | 8512532 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Shank Diameter | 0.386 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN |
| Shaft Accommodation Style | ROUND |
| Length | 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN |
| Overall Thickness | 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| Skirt Outside Diameter | 0.511 INCHES MINIMUM AND 0.521 INCHES MAXIMUM IN |
| Shank Length | 0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR W/ROUNDED EDGES |
| Nominal Thread Size | 0.250 INCHES RECEPTACLE IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Shank Style | CONCAVE |
| Gripping Surface Condition | SMOOTH |
| Skirt Design | NONDETACHABLE |
| Width | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Shank Radius | 0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 RECEPTACLE |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RECEPTACLE |
| Skirt Style | RING |
| Attachment Method | SCREW ON |
| 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 |
|---|---|
| 8512532 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5355-00-561-7731 is a Knob, manufactured by Us Army Aviation and Missile Command, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-561-7731 has 1 manufacturer part number on file: 8512532 (Us Army Aviation and Missile Command).
Key specifications for 8512532: Shank Diameter: 0.386 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN; Shaft Accommodation Style: ROUND; Length: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN; Overall Thickness: 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN. 19 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.