The Bolt,pitch Horn,main Rotor, cataloged under National Stock Number 5306-00-997-2512, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is D & R Machine Co., Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-997-2512 |
| Primary Part Number | 209-010-112-3 |
| Item Name | Bolt,pitch Horn,main Rotor |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | D & R Machine Co., Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,AMS 6414,COMP 4340,CADMIUM PLATED QQ-P-416,CLASS 2,TYPE 2,DIM.,3.385 IN. NOM O/A LG,1.245 IN. NOM GRIP LG,0.476 IN. NOM GRIP OD,0.500-20UNF-3A EXTERNAL THD SIZE BY 0.835 THD LG,BEGINNING 0.180 IN. FROM END,0.625 IN. NOM LG RAISED TAPER FROM GRIP END TO OD GROOVE W/7.5 DEG HIGH TAPER AT GRIP END T0 0.515 IN. MIN,0.520 IN. MAX DIA AT OD GROOVE,0.350 IN. NOM ENDOD,0.180 IN. NOM END LG,0.250 IN. NOM HEXAGON HEAD W,0.741 IN. MIN,0.752 IN.MAX DISTANCE ACROSS HEX FLATS A |
| 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 |
|---|---|
| 209-010-112-3 | D & R Machine Co., Llc (USA) |
| 209-010-112-3 | Ace Aeronautics Llc (USA) |
| 209-010-112-3 | Skyspares Parts Inc (USA) |
| Reference | Meaning |
|---|---|
| 209-010-112-3 | 5/9 Secondary reference Aero Components, Llc |
| 209-010-112-3 | 5/9 Secondary reference A and K Mfg Co Inc |
| 209-010-112-3 | 3/2 Design control — primary reference U.S. Government activity |
| 209-010-112-3 | 5/9 Secondary reference Rotair Aerospace Corp |
NSN 5306-00-997-2512 is a Bolt,pitch Horn,main Rotor, manufactured by D & R Machine Co., Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-997-2512 has 3 manufacturer part numbers on file: 209-010-112-3 (D & R Machine Co., Llc), 209-010-112-3 (Ace Aeronautics Llc), 209-010-112-3 (Skyspares Parts Inc).
Key specifications for 209-010-112-3: General Characteristics Item Description: STEEL,AMS 6414,COMP 4340,CADMIUM PLATED QQ-P-416,CLASS 2,TYPE 2,DIM.,3.385 IN. NOM O/A LG,1.245 IN. NOM GRIP LG,0.476 IN. NOM GRIP OD,0.500-20UNF-3A EXTERNAL THD SIZE BY 0.835 THD LG,BEGINNING 0.180 IN. FROM END,0.625 IN. NOM LG RAISED TAPER FROM GRIP END TO OD GROOVE W/7.5 DEG HIGH TAPER AT GRIP END T0 0.515 IN. MIN,0.520 IN. MAX DIA AT OD GROOVE,0.350 IN. NOM ENDOD,0.180 IN. NOM END LG,0.250 IN. NOM HEXAGON HEAD W,0.741 IN. MIN,0.752 IN.MAX DISTANCE ACROSS HEX FLATS A. 1 specification is 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.