The Center Frame Assembly, cataloged under National Stock Number 1615-00-830-9743, is classified within Federal Supply Class 1615 (Helicopter Rotor Blades, Drive Mechanisms and Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1615-00-830-9743 |
| Item Name | Center Frame Assembly |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY QQ-A-225/6 COMP 2024-T351,ANODIZED BPS FW4001,DIM.,36.880 IN. NOM O/A LG,0.750 IN. NOM THK,2.800 IN. NOM CENTER W,2.120 IN. NOM END W,0.375 IN. NOM END THK,FRAME BEND UPWARD W/4.000 IN. RADIUS OF CURVATURE AT5.000 IN. EACH SIDE OF VERTICAL CENTERLINE,ONE HOLE 1.200 IN. DIA THRU FRAMECENTER W/ONE HOLE 0.1257 IN. DIA DRILLED AT 30.0 DEG ANGLE TO HOLE CENTER AND FITTED W/NAS516-1 FITTING,FOUR EQUALLY SPACED THREADED HOLES 0.250-28 UNF CLASS 3B SURROUNDING CENTER HOLE W/1.410 IN. C TO C DISTANCE,ONE HOLE 0.500 IN. DIA DRILLED THRU HORIZONTAL CENTERLINE 2.800 IN. EACH SIDE OF VERTICAL CENTERLINE AND FITTED W/204-010-413-45BUSHINGS,FOUR HOLES 0.3125 IN. DIA DRILLED THRU LEFT AND RIGHT ENDS,TWO HOLES 0.500 IN. FROM END,TWO HOLES 2.500 IN. FROM END W/1.250 IN. C TO C DISTANCE ACROSS WIDTH,ONE HOLE 0.3750 IN. DIA 7.980 IN. LEFT OF CENTER AND 0.875 IN. BELOW HORIZONTAL CENTERLINE FITTEDW/204-010-413-47 BUSHING,ITEM USED ON STABILIZER BAR IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 204-011-307-1 | 3/2 Design control — primary reference U.S. Government activity |
| 204-011-307-001 | 5/2 Secondary reference U.S. Government activity |
NSN 1615-00-830-9743 is a Center Frame Assembly, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
Key specifications for 1615-00-830-9743: General Characteristics Item Description: ALUMINUM ALLOY QQ-A-225/6 COMP 2024-T351,ANODIZED BPS FW4001,DIM.,36.880 IN. NOM O/A LG,0.750 IN. NOM THK,2.800 IN. NOM CENTER W,2.120 IN. NOM END W,0.375 IN. NOM END THK,FRAME BEND UPWARD W/4.000 IN. RADIUS OF CURVATURE AT5.000 IN. EACH SIDE OF VERTICAL CENTERLINE,ONE HOLE 1.200 IN. DIA THRU FRAMECENTER W/ONE HOLE 0.1257 IN. DIA DRILLED AT 30.0 DEG ANGLE TO HOLE CENTER AND FITTED W/NAS516-1 FITTING,FOUR EQUALLY SPACED THREADED HOLES 0.250-28 UNF CLASS 3B SURROUNDING CENTER HOLE W/1.410 IN. C TO C DISTANCE,ONE HOLE 0.500 IN. DIA DRILLED THRU HORIZONTAL CENTERLINE 2.800 IN. EACH SIDE OF VERTICAL CENTERLINE AND FITTED W/204-010-413-45BUSHINGS,FOUR HOLES 0.3125 IN. DIA DRILLED THRU LEFT AND RIGHT ENDS,TWO HOLES 0.500 IN. FROM END,TWO HOLES 2.500 IN. FROM END W/1.250 IN. C TO C DISTANCE ACROSS WIDTH,ONE HOLE 0.3750 IN. DIA 7.980 IN. LEFT OF CENTER AND 0.875 IN. BELOW HORIZONTAL CENTERLINE FITTEDW/204-010-413-47 BUSHING,ITEM USED ON STABILIZER BAR IN. 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.
NSN 1615-00-830-9743 has DEMIL Code Q. 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.